The build descriptor option sysCodes determines the source of the code that is placed in the system word sysVar.errorCode in response to a file I/O error. Values are as follows:
The code is specific to the type of resource being accessed (VSAM rather than a transient data queue, for example). For details on the meaning of specific error codes, see the reference material provided for the operating system or for the subsystem (like VSAM).
For additional details, including specific error values, see sysVar.errorCode.
Related reference
Build descriptor options
Exception handling
sysVar.errorCode
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