The [[_ERRORMESSAGE$]] function returns a human-readable description of the most recent runtime error, or the description of an arbitrary error code passed to it.
* The message returned is identical to the message shown in the dialog box that appears if your program has no error handler. See [[ERROR Codes]] for the full list of error codes and their messages.
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''Example 1:'' Using an error handler that ignores any error.
{{CodeStart}}
{{Cl|ON ERROR}} {{Cl|GOTO}} Errhandler
' Main module program error simulation code
{{Cl|ERROR}} 7 ' simulate an Out of Memory Error
PRINT "Error handled...ending program"
{{Cl|SLEEP}} 4
{{Cl|SYSTEM}} ' end of program code
Errhandler: 'error handler sub program line label
PRINT "Error"; {{Cl|ERR}}; "on program file line"; {{Cl|_ERRORLINE}}
PRINT "Description: "; {{Cl|_ERRORMESSAGE$}}; "."
{{Cl|BEEP}} ' warning beep
{{Cl|RESUME}} NEXT ' moves program to code following the error.