Set A_DB2_ERROR_MAP_FILE to the name of the file that maps database-specific errors to COBOL errors. This variable allows you to map errors using a text file to supplement the default method of providing errors. Create the file using the guidelines described below, and then use the variable A_DB2_ERROR_MAP_FILE to indicate the name and location of the file you created.
Example
If the file used for mapping is called "MAP", and this file is located in the directory C:\DB2, you would specify:
A_DB2_ERROR_MAP_FILE c:\DB2\MAP
There is no default value for this variable.