Message type: E = Error
Message class:  FAC_MD_PROFIT_CENTER - Message Class for Profit Center Master Data Object 
Message number: 009
Message text: The new validity period &1 - &2 overlaps with existing validity period.
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The SAP error message FAC_MD_PROFIT_CENTER009 indicates that there is a conflict in the validity periods for a profit center. Specifically, it means that the new validity period you are trying to set overlaps with an existing validity period for the same profit center.
Cause: This error typically occurs when: You are trying to create or modify a profit center with a validity period that overlaps with an already defined period for that profit center. The system enforces rules to ensure that there are no overlapping validity periods for profit centers to maintain data integrity.
Solution: To resolve this error, you can take the following steps: Check Existing Validity Periods: Go to the transaction code for managing profit centers (e.g., KE52 for changing profit centers). Look up the profit center in question and review its existing validity periods. Adjust the New Validity Period: Modify the new validity period you are trying to set so that it does not overlap with the existing
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