Message type: E = Error
Message class:  /CUM/MSG -  
Message number: 127
Message text: No entry in Customizing table /cum/action for action &
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message /CUM/MSG127 No entry in Customizing table /cum/action for action & typically indicates that the system is trying to execute a specific action defined in the Customizing table /CUM/ACTION, but it cannot find a corresponding entry for the action specified (denoted by & in the error message).
Cause: Missing Customizing Entry: The most common cause of this error is that the action you are trying to execute has not been defined in the Customizing table /CUM/ACTION. This could happen if the action was never created or if it was deleted or not properly transported from a development environment to the production environment. Incorrect Action Code: The action code being referenced might be incorrect or misspelled, leading the system to search for a non-existent entry. Transport Issues: If the Customizing settings were supposed to be transported from another system (like Development to Production) and the transport did not include the necessary entries,
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