Message type: E = Error
Message class:  RELMPE - Messages for Other Public Registers 
Message number: 011
Message text: Initial entry already exists
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.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
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The SAP error message RELMPE011: Initial entry already exists typically occurs in the context of managing master data, particularly when dealing with the creation or modification of records in the SAP system. This error indicates that an attempt is being made to create a new entry that conflicts with an existing initial entry in the system.
Cause: The error is usually caused by one of the following reasons: Duplicate Entry: The system is trying to create a new record that has the same key or identifier as an existing record. This often happens when the initial entry for a specific object (like a customer, vendor, or material) already exists in the database. Incorrect Data Entry: There may be a mistake in the data being entered, leading the system to believe that the entry is a duplicate.
Configuration Issues: There might be issues with the configuration settings in the relevant module that are causing the system
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