Message type: E = Error
Message class:  IUEEDPPLOTA - Deregulation: Distribution of Aggregated Payments 
Message number: 037
Message text: Selection categories can only be used once
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The SAP error message IUEEDPPLOTA037 indicates that there is an issue with the selection categories in your report or transaction. Specifically, it means that the selection categories you are trying to use have been defined more than once, which is not allowed.
Cause: The error typically arises in the following scenarios: Duplicate Selection Categories: You may have inadvertently selected the same selection category multiple times in your report or selection screen.
Configuration Issues: There might be a misconfiguration in the way selection categories are set up in the system. Custom Development: If there are custom reports or programs, the logic may not be handling selection categories correctly.
Solution: To resolve this error, you can take the following steps: Check Selection Categories: Review the selection criteria you have set up in your report or transaction. Ensure that each selection category is unique and not repeated. Modify the Report/Transaction: If you are using a custom report, check the code to ensure that selection categories
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