Microsoft® JScript®
JScript Run-time Errors
 Language Reference 
Version 1 

JScript Syntax Errors

Error Number Description
5 Invalid procedure call or argument
6 Overflow
7 Out of memory
9 Subscript out of range
10 This array is fixed or temporarily locked
11 Division by zero
13 Type mismatch
14 Out of string space
17 Can't perform requested operation
28 Out of stack space
35 Sub or Function not defined
48 Error in loading DLL
51 Internal error
52 Bad file name or number
53 File not found
54 Bad file mode
55 File already open
57 Device I/O error
58 File already exists
61 Disk full
62 Input past end of file
67 Too many files
68 Device unavailable
70 Permission denied
71 Disk not ready
74 Can't rename with different drive
75 Path/File access error
76 Path not found
91 Object variable or With block variable not set
92 For loop not initialized
94 Invalid use of Null
322 Can't create necessary temporary file
424 Object required
429 Automation server can't create object
430 Class doesn't support Automation
432 File name or class name not found during Automation operation
438 Object doesn't support this property or method
440 Automation error
445 Object doesn't support this action
446 Object doesn't support named arguments
447 Object doesn't support current locale setting
448 Named argument not found
449 Argument not optional
450 Wrong number of arguments or invalid property assignment
451 Object not a collection
453 Specified DLL function not found
458 Variable uses an Automation type not supported in JScript
462 The remote server machine does not exist or is unavailable
501 Cannot assign to variable
502 Object not safe for scripting
503 Object not safe for initializing
504 Object not safe for creating
507 An exception occurred
5000 Cannot assign to 'this'
5001 Number expected
5002 Function expected
5003 Cannot assign to a function result
5004 Cannot index object
5005 String expected
5006 Date object expected
5007 Object expected
5008 Illegal assignment
5009 Undefined identifier
5010 Boolean expected
5011 Can't execute code from a freed script
5012 Object member expected
5013 VBArray expected
5014 JScript object expected
5015 Enumerator object expected
5016 Regular Expression object expected
5017 Syntax error in regular expression
5018 Unexpected quantifier
5019 Expected ']' in regular expression
5020 Expected ')' in regular expression
5021 Invalid range in character set
5022 Exception thrown and not caught
5023 Function does not have a valid prototype object