Message type: E = Error
Message class:  SAWE_BO_SA_TIME_PS - Message Class : Staff Assignment Time Planning Sheet 
Message number: 061
Message text: Automatic forecast not possible; assignment &1 &2 with &3 is deleted
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The SAP error message SAWE_BO_SA_TIME_PS061 indicates that an automatic forecast cannot be generated due to a specific assignment being deleted. This error typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where forecasting is involved.
Cause: The error message is triggered when the system attempts to generate a forecast for a particular assignment (e.g., a product-location combination) that has been deleted or is no longer valid. The assignment is identified by the parameters &1, &2, and &3, which usually represent specific identifiers related to the forecast object (like product, location, or planning version).
Solution: To resolve this error, you can take the following steps: Check the Assignment: Verify the assignment that is causing the error. Use the identifiers provided in the error message to check if the assignment exists in the system. Recreate the Assignment: If the assignment has been deleted and is necessary for forecasting, you may need to
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