diff --git a/core/src/avm2/globals/DefinitionError.as b/core/src/avm2/globals/DefinitionError.as
new file mode 100644
index 000000000..6d7ad0507
--- /dev/null
+++ b/core/src/avm2/globals/DefinitionError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/DefinitionError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package
+{
+    public dynamic class DefinitionError extends Error
+    {
+        prototype.name = "DefinitionError";
+
+        public function DefinitionError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+            this.name = prototype.name;
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/EvalError.as b/core/src/avm2/globals/EvalError.as
new file mode 100644
index 000000000..5cf0c08f6
--- /dev/null
+++ b/core/src/avm2/globals/EvalError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/EvalError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package
+{
+
+    public dynamic class EvalError extends Error
+    {
+        prototype.name = "EvalError";
+
+        public function EvalError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+            this.name = prototype.name;
+        }
+
+    }
+}
diff --git a/core/src/avm2/globals/SecurityError.as b/core/src/avm2/globals/SecurityError.as
new file mode 100644
index 000000000..4c7614d48
--- /dev/null
+++ b/core/src/avm2/globals/SecurityError.as
@@ -0,0 +1,21 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/SecurityError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package
+{
+
+    public dynamic class SecurityError extends Error
+    {
+        prototype.name = "SecurityError";
+
+        public function SecurityError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+            this.name = prototype.name;
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/SyntaxError.as b/core/src/avm2/globals/SyntaxError.as
new file mode 100644
index 000000000..18c3cca3a
--- /dev/null
+++ b/core/src/avm2/globals/SyntaxError.as
@@ -0,0 +1,21 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/SyntaxError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package
+{
+
+    public dynamic class SyntaxError extends Error
+    {
+        prototype.name = "SyntaxError";
+
+        public function SyntaxError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+            this.name = prototype.name;
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/URIError.as b/core/src/avm2/globals/URIError.as
new file mode 100644
index 000000000..c42912081
--- /dev/null
+++ b/core/src/avm2/globals/URIError.as
@@ -0,0 +1,21 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/URIError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package
+{
+
+    public dynamic class URIError extends Error
+    {
+        prototype.name = "URIError";
+
+        public function URIError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+            this.name = prototype.name;
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/VerifyError.as b/core/src/avm2/globals/VerifyError.as
new file mode 100644
index 000000000..463a8476d
--- /dev/null
+++ b/core/src/avm2/globals/VerifyError.as
@@ -0,0 +1,18 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/VerifyError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package
+{
+    public dynamic class VerifyError extends Error
+    {
+        prototype.name = "VerifyError";
+
+        public function VerifyError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+            this.name = prototype.name;
+        }
+    }
+}
diff --git a/core/src/avm2/globals/flash/errors/EOFError.as b/core/src/avm2/globals/flash/errors/EOFError.as
new file mode 100644
index 000000000..188f61513
--- /dev/null
+++ b/core/src/avm2/globals/flash/errors/EOFError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/errors/EOFError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package flash.errors
+{
+
+    public dynamic class EOFError extends IOError
+    {
+        prototype.name = "EOFError";
+
+        public function EOFError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/flash/errors/IOError.as b/core/src/avm2/globals/flash/errors/IOError.as
new file mode 100644
index 000000000..04641a856
--- /dev/null
+++ b/core/src/avm2/globals/flash/errors/IOError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/errors/IOError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package flash.errors
+{
+
+    public dynamic class IOError extends Error
+    {
+        prototype.name = "IOError";
+
+        public function IOError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/flash/errors/InvalidSWFError.as b/core/src/avm2/globals/flash/errors/InvalidSWFError.as
new file mode 100644
index 000000000..4ac7641ea
--- /dev/null
+++ b/core/src/avm2/globals/flash/errors/InvalidSWFError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/errors/InvalidSWFError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package flash.errors
+{
+
+    public dynamic class InvalidSWFError extends Error
+    {
+        prototype.name = "InvalidSWFError";
+
+        public function InvalidSWFError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/flash/errors/MemoryError.as b/core/src/avm2/globals/flash/errors/MemoryError.as
new file mode 100644
index 000000000..43bf2676a
--- /dev/null
+++ b/core/src/avm2/globals/flash/errors/MemoryError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/errors/MemoryError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package flash.errors
+{
+
+    public dynamic class MemoryError extends Error
+    {
+        prototype.name = "MemoryError";
+
+        public function MemoryError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/flash/errors/ScriptTimeoutError.as b/core/src/avm2/globals/flash/errors/ScriptTimeoutError.as
new file mode 100644
index 000000000..0bffc4124
--- /dev/null
+++ b/core/src/avm2/globals/flash/errors/ScriptTimeoutError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/errors/ScriptTimeoutError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package flash.errors
+{
+
+    public dynamic class ScriptTimeoutError extends Error
+    {
+        prototype.name = "ScriptTimeoutError";
+
+        public function ScriptTimeoutError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/flash/errors/StackOverflowError.as b/core/src/avm2/globals/flash/errors/StackOverflowError.as
new file mode 100644
index 000000000..ed03fadd0
--- /dev/null
+++ b/core/src/avm2/globals/flash/errors/StackOverflowError.as
@@ -0,0 +1,20 @@
+// The initial version of this file was autogenerated from the official AS3 reference at
+// https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/errors/StackOverflowError.html
+// by https://github.com/golfinq/ActionScript_Event_Builder
+// It won't be regenerated in the future, so feel free to edit and/or fix
+
+package flash.errors
+{
+
+    public dynamic class StackOverflowError extends Error
+    {
+        prototype.name = "StackOverflowError";
+
+        public function StackOverflowError(message:String = "", id:int = 0)
+        {
+            super(message, id);
+        }
+
+    }
+}
+
diff --git a/core/src/avm2/globals/globals.as b/core/src/avm2/globals/globals.as
index 8734340ff..a08756188 100644
--- a/core/src/avm2/globals/globals.as
+++ b/core/src/avm2/globals/globals.as
@@ -4,10 +4,16 @@
 include "Error.as"
 
 include "ArgumentError.as"
+include "DefinitionError.as"
+include "EvalError.as"
 include "TypeError.as"
 include "Math.as"
 include "RangeError.as"
 include "ReferenceError.as"
+include "SecurityError.as"
+include "SyntaxError.as"
+include "URIError.as"
+include "VerifyError.as"
 
 include "flash/accessibility/AccessibilityProperties.as"
 include "flash/crypto.as"
@@ -107,7 +113,13 @@ include "flash/events/TimerEvent.as"
 include "flash/events/UncaughtErrorEvent.as"
 include "flash/events/VideoEvent.as"
 include "flash/events/VideoTextureEvent.as"
+include "flash/errors/IOError.as"
+include "flash/errors/EOFError.as"
 include "flash/errors/IllegalOperationError.as"
+include "flash/errors/InvalidSWFError.as"
+include "flash/errors/MemoryError.as"
+include "flash/errors/ScriptTimeoutError.as"
+include "flash/errors/StackOverflowError.as"
 
 include "flash/filters/BitmapFilter.as"
 include "flash/filters/BitmapFilterQuality.as"
diff --git a/tests/tests/regression_tests.rs b/tests/tests/regression_tests.rs
index 0f209a389..6788a8905 100644
--- a/tests/tests/regression_tests.rs
+++ b/tests/tests/regression_tests.rs
@@ -291,6 +291,7 @@ swf_tests! {
     (as3_equals, "avm2/equals", 1),
     (as3_error_stack_trace, "avm2/error_stack_trace", 1),
     (as3_error_tostring, "avm2/error_tostring", 1),
+    (as3_error_tostring_more, "avm2/error_tostring_more", 1),
     (as3_es3_inheritance, "avm2/es3_inheritance", 1),
     (as3_es4_inheritance, "avm2/es4_inheritance", 1),
     (as3_es4_interfaces, "avm2/es4_interfaces", 1),
diff --git a/tests/tests/swfs/avm2/error_tostring_more/Test.as b/tests/tests/swfs/avm2/error_tostring_more/Test.as
new file mode 100644
index 000000000..509c84edf
--- /dev/null
+++ b/tests/tests/swfs/avm2/error_tostring_more/Test.as
@@ -0,0 +1,102 @@
+package {
+    import flash.display.Sprite; 
+    
+    public class Test extends Sprite {}
+}
+
+
+import flash.errors.IOError;
+
+import flash.errors.EOFError;
+import flash.errors.InvalidSWFError;
+import flash.errors.MemoryError;
+import flash.errors.ScriptTimeoutError;
+import flash.errors.StackOverflowError;
+
+trace("Class: " + DefinitionError);
+trace("cls.prototype.name = " + DefinitionError.prototype.name);
+var newErrorDefinitionError: DefinitionError = new DefinitionError("My Error", 42);
+trace(newErrorDefinitionError.toString());
+trace(newErrorDefinitionError.name);
+trace(newErrorDefinitionError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + EOFError);
+trace("cls.prototype.name = " + EOFError.prototype.name);
+var newErrorEOFError: EOFError = new EOFError("My Error", 42);
+trace(newErrorEOFError.toString());
+trace(newErrorEOFError.name);
+trace(newErrorEOFError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + EvalError);
+trace("cls.prototype.name = " + EvalError.prototype.name);
+var newErrorEvalError: EvalError = new EvalError("My Error", 42);
+trace(newErrorEvalError.toString());
+trace(newErrorEvalError.name);
+trace(newErrorEvalError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + IOError);
+trace("cls.prototype.name = " + IOError.prototype.name);
+var newErrorIOError: IOError = new IOError("My Error", 42);
+trace(newErrorIOError.toString());
+trace(newErrorIOError.name);
+trace(newErrorIOError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + InvalidSWFError);
+trace("cls.prototype.name = " + InvalidSWFError.prototype.name);
+var newErrorInvalidSWFError: InvalidSWFError = new InvalidSWFError("My Error", 42);
+trace(newErrorInvalidSWFError.toString());
+trace(newErrorInvalidSWFError.name);
+trace(newErrorInvalidSWFError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + MemoryError);
+trace("cls.prototype.name = " + MemoryError.prototype.name);
+var newErrorMemoryError: MemoryError = new MemoryError("My Error", 42);
+trace(newErrorMemoryError.toString());
+trace(newErrorMemoryError.name);
+trace(newErrorMemoryError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + ScriptTimeoutError);
+trace("cls.prototype.name = " + ScriptTimeoutError.prototype.name);
+var newErrorScriptTimeoutError: ScriptTimeoutError = new ScriptTimeoutError("My Error", 42);
+trace(newErrorScriptTimeoutError.toString());
+trace(newErrorScriptTimeoutError.name);
+trace(newErrorScriptTimeoutError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + StackOverflowError);
+trace("cls.prototype.name = " + StackOverflowError.prototype.name);
+var newErrorStackOverflowError: StackOverflowError = new StackOverflowError("My Error", 42);
+trace(newErrorStackOverflowError.toString());
+trace(newErrorStackOverflowError.name);
+trace(newErrorStackOverflowError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + URIError);
+trace("cls.prototype.name = " + URIError.prototype.name);
+var newErrorURIError: URIError = new URIError("My Error", 42);
+trace(newErrorURIError.toString());
+trace(newErrorURIError.name);
+trace(newErrorURIError.errorID);
+trace();
+trace();
+trace();
+trace("Class: " + VerifyError);
+trace("cls.prototype.name = " + VerifyError.prototype.name);
+var newErrorVerifyError: VerifyError = new VerifyError("My Error", 42);
+trace(newErrorVerifyError.toString());
+trace(newErrorVerifyError.name);
+trace(newErrorVerifyError.errorID);
diff --git a/tests/tests/swfs/avm2/error_tostring_more/output.txt b/tests/tests/swfs/avm2/error_tostring_more/output.txt
new file mode 100644
index 000000000..b940a5e9c
--- /dev/null
+++ b/tests/tests/swfs/avm2/error_tostring_more/output.txt
@@ -0,0 +1,77 @@
+Class: [class DefinitionError]
+cls.prototype.name = DefinitionError
+DefinitionError: My Error
+DefinitionError
+42
+
+
+
+Class: [class EOFError]
+cls.prototype.name = EOFError
+Error: My Error
+Error
+42
+
+
+
+Class: [class EvalError]
+cls.prototype.name = EvalError
+EvalError: My Error
+EvalError
+42
+
+
+
+Class: [class IOError]
+cls.prototype.name = IOError
+Error: My Error
+Error
+42
+
+
+
+Class: [class InvalidSWFError]
+cls.prototype.name = InvalidSWFError
+Error: My Error
+Error
+42
+
+
+
+Class: [class MemoryError]
+cls.prototype.name = MemoryError
+Error: My Error
+Error
+42
+
+
+
+Class: [class ScriptTimeoutError]
+cls.prototype.name = ScriptTimeoutError
+Error: My Error
+Error
+42
+
+
+
+Class: [class StackOverflowError]
+cls.prototype.name = StackOverflowError
+Error: My Error
+Error
+42
+
+
+
+Class: [class URIError]
+cls.prototype.name = URIError
+URIError: My Error
+URIError
+42
+
+
+
+Class: [class VerifyError]
+cls.prototype.name = VerifyError
+VerifyError: My Error
+VerifyError
+42
\ No newline at end of file
diff --git a/tests/tests/swfs/avm2/error_tostring_more/test.swf b/tests/tests/swfs/avm2/error_tostring_more/test.swf
new file mode 100644
index 000000000..82f8b9260
Binary files /dev/null and b/tests/tests/swfs/avm2/error_tostring_more/test.swf differ