Message type: E = Error
Message class:  CNV_CMIS_U_10 - CMIS Upg: Messages from table cascading functions 
Message number: 042
Message text: Buffer file &1 not found in the upgrade test system &2
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The SAP error message CNV_CMIS_U_10042 indicates that a buffer file required for the upgrade process is missing in the specified upgrade test system. This error typically arises during the conversion or upgrade process when the system is unable to locate a necessary file that is expected to be present.
Cause: Missing Buffer File: The buffer file specified in the error message (&1) is not found in the upgrade test system (&2). This could be due to: The file was not generated during a previous step of the upgrade process. The file was deleted or moved inadvertently. There was an issue during the extraction or transfer of files to the upgrade test system. Incorrect Configuration: The system may not be correctly configured to point to the right directory where the buffer files are stored. Permissions Issues: There may be insufficient permissions to access the directory or file where the buffer file is supposed to be located.
Solution: Check File Existence:
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