Message type: E = Error
Message class:  PPC1DM - PP Backflush: Database Management and Communication 
Message number: 021
Message text: Production line does not exist in this version
Before the first backflush can be carried out for a reporting point
structure, the reporting point structure for this order must be made
known to the ERP system. The structure is identified in fields
LINE_HEADER and LINE_VERSION.
Line &V1& in version &V2& does not exist in the ERP system.
Either the module BAPI_MNFCTCONFRCVR_RPV_RECEIVE for transferring the
reporting point structure has not yet been accessed or the values are
not correct.
The system rejects the backflush.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Check whether the values of the Line ID and version are correct.
Transfer the data per BAPI to the ERP system.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message PPC1DM021, which states "Production line does not exist in this version," typically occurs in the context of production planning and execution within the SAP system. This error indicates that the system is unable to find the specified production line in the current version of the data or configuration. Causes: Incorrect Production Line Configuration: The production line may not be set up correctly in the system or may not exist in the version you are trying to access. Versioning Issues: The production line might exist in a different version of the data, and the current version you are working with does not include it. Data Migration Issues: If data has been migrated from another system or version, there may be inconsistencies or missing entries. Authorization Issues: The user may not have the necessary permissions to view or access the production line in the current version. Solutions: Check Production Line Configuration: Navigate to the production line
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