Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 552
Message text: DDIC table or structure name for DDIC extension missing
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The SAP error message CNV_PE552 indicates that there is a missing Data Dictionary (DDIC) table or structure name for a DDIC extension. This error typically arises during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of conversion programs.
Cause: Missing DDIC Object: The specified DDIC table or structure does not exist in the system. This could be due to a missing transport, an incomplete installation, or a misconfiguration. Incorrect Configuration: The configuration settings for the data migration or conversion process may reference a non-existent or incorrectly named DDIC object. Transport Issues: If the DDIC object was supposed to be transported from another system and the transport request was not successfully imported, this error can occur. Version Mismatch: If there are discrepancies between the versions of the source and target systems, certain DDIC objects may not be available.
Solution: Check DDIC Objects: Verify that the DDIC table or structure exists
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