Message type: E = Error
Message class:  RPM_PERSON - Message class for Person 
Message number: 012
Message text: Date dependent parameters are mandatory
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 RPM_PERSON012, which states "Date dependent parameters are mandatory," typically occurs in the context of SAP's Resource and Project Management (RPM) module. This error indicates that certain parameters that are dependent on dates have not been provided or are missing in the relevant transaction or configuration.
Cause: The error is usually caused by one of the following reasons: Missing Date Parameters: The system requires specific date-related information (such as start date, end date, or validity period) for the resource or project being processed, and these parameters have not been filled in. Incorrect Configuration: The configuration settings for the resource or project may not be set up correctly, leading to the requirement for date-dependent parameters. Data Entry Errors: Users may have overlooked entering required date fields when creating or modifying records.
Solution: To resolve the RPM_PERSON012 error, you can take the following steps: Check Required Fields: Review the transaction or screen where the error occurred and
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