How To Fix CNV_PE578 - DDIC type &1 is not a database table

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 578

• Message text: DDIC type &1 is not a database table

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE578 - DDIC type &1 is not a database table ?

  The SAP error message CNV_PE578 indicates that the Data Dictionary (DDIC) type specified (denoted as &1 in the error message) is not recognized as a database table. This error typically arises during data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation.
  Cause:
  
  Incorrect DDIC Type: The specified DDIC type may not be a valid database table. It could be a structure, view, or another type of DDIC object that is not directly associated with a database table.
  Typographical Error: There may be a typo in the name of the DDIC type, leading to the system not being able to find the corresponding database table.
  Missing Table: The database table may not exist in the system due to an incomplete installation, deletion, or other issues.
  Transport Issues: If the DDIC type was recently transported from another system, it may not have been transported correctly, leading to inconsistencies.
  
  Solution:
  
  Verify DDIC Type: Check the DDIC type in transaction SE11 (Data Dictionary) to ensure that it is indeed a database table. If it is not, you will need to adjust your data migration logic to reference the correct object type.
  Check for Typos: Double-check the name of the DDIC type for any typographical errors. Ensure that the name is spelled correctly and matches the expected format.
  Database Table Existence: Use transaction SE11 to confirm that the database table exists in the system. If it does not, you may need to create it or restore it from a backup.
  Transport Validation: If the DDIC type was recently transported, verify that the transport was successful and that all necessary objects were included. You may need to re-transport the objects if they are missing.
  Consult Documentation: Review any relevant documentation or notes related to the data migration process you are performing. There may be specific requirements or configurations needed for the DDIC types involved.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary - to check the DDIC type.
  SE80: Object Navigator - to explore related objects.
  SE37: Function Module - if the error is related to a function module call.
  
  
  SAP Notes: Search for SAP Notes related to the error message or the specific DDIC type for additional guidance or known issues.
  Data Migration Tools: If you are using SAP's data migration tools (like LSMW, SAP S/4HANA Migration Cockpit, etc.), refer to their specific documentation for troubleshooting tips.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.