How To Fix CNV_PE553 - DDIC type is neither a DB table nor a structure

CNV_PE553 - Overview

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 553

• Message text: DDIC type is neither a DB table nor a structure

Self-Explanatory Message

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CNV_PE553 - Details

• The SAP error message CNV_PE553 indicates that the Data Dictionary (DDIC) type being referenced is neither a database table nor a structure. 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.
  Causes:
  
  Incorrect DDIC Type: The specified DDIC type may not exist or may have been incorrectly defined. This could happen if the type is a view or a different object that is not a table or structure.
  Missing or Incomplete Definitions: The DDIC type might be missing or not fully defined in the system, leading to the inability to recognize it as a valid table or structure.
  Namespace Issues: The DDIC type might be in a different namespace that is not accessible or recognized in the current context.
  Transport Issues: If the DDIC type was recently transported from another system, there may have been issues during the transport process