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3.20.2 Where Did the Changes to the File Definition Go?

You may find when amending a file definition that the amendment appears to disappear or has been ignored.

This example is typical of this problem:

The answer is that although the definition of FILEA was amended the definition was not made operational.

Although logical file FILEAV01 exists in the definition of FILEA it does not exist as an "accessible" file until the amended definition of FILEA has been made operational. This is an option on the file control menu.

Just remember: When any amendment is made to a file definition it is effectively "invisible" until the amended definition is made operational.