Message type: E = Error
Message class:  HRFPM - Messages Budget Planning & Budget Execution 
Message number: 188
Message text: Wrong date determined in BAdI HRFPM_REQUIREMENTS_FILTER
You activated the BAdI HRFPM_REQUIREMENTS_FILTER for individual user
modification of the validity period of persons or positions. The changed
start or end dates must be within the original calculation period for
determining commitment.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Change the definition of the validity period in the BAdI so that it is
within the period for commitment creation that was defined in
Customizing of Position Budgeting and Control.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRFPM188, which states "Wrong date determined in BAdI HRFPM_REQUIREMENTS_FILTER," typically occurs in the context of the SAP Human Resources (HR) module, particularly when working with the Flexible Personnel Management (FPM) framework. This error indicates that there is an issue with the date being processed in the BAdI (Business Add-In) implementation for filtering requirements.
Cause: The error can be caused by several factors, including: Incorrect Date Logic: The logic implemented in the BAdI HRFPM_REQUIREMENTS_FILTER may not be correctly determining the date based on the business rules or requirements. Data Inconsistencies: There may be inconsistencies in the data being processed, such as invalid or missing dates in the relevant infotypes.
Configuration Issues: The configuration settings for the HR module or the specific FPM application may not be set up correctly, leading to incorrect date determination. Custom Code Issues: If there is custom code implemented in the BAdI, it may contain errors or not handle
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