You specify the schema cache file for each database of an application using the Schema Cache File (–cache) startup parameter. If the schema cache file for any database is invalid, the AVM displays a message, ignores the file with a warning, and reads the cache from the database. For example:

The time stamp in the database does not match the time stamp in the cache
  file: sports2000.csh (840)

The user can notify the database administrator or application developer to provide the correct schema cache file. For more information on using schema cache files, see Manage ABL Applications, and for a description of –cache, see Startup Command and Parameter Reference.