Message type: E = Error
Message class:  COM_PRCAT - Product Category 
Message number: 075
Message text: Partner determin. procedure cannot be maintained; implementation missing
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The SAP error message COM_PRCAT075 indicates that there is an issue with the partner determination procedure in the SAP system. Specifically, it states that the partner determination procedure cannot be maintained because the implementation is missing. This typically occurs in the context of partner determination for business processes, such as sales, purchasing, or service management.
Cause: Missing Implementation: The error usually arises when the necessary implementation for the partner determination procedure is not defined or is incomplete. This can happen if the configuration for partner determination has not been set up correctly. Customizing Issues: If the partner determination procedure is supposed to be customized but the relevant settings are not in place, this error can occur. Transport Issues: If the configuration was transported from another system and the necessary implementations were not included, this could lead to the error.
Solution: Check Partner Determination Procedure: Go to the relevant customizing transaction (e.g., SPRO) and navigate to the partner
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