How To Fix DD_MT_SHARING106 - Conversion of shared table &1 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: DD_MT_SHARING - DDIC Multi Tenancy Sharing: Messages

• Message number: 106

• Message text: Conversion of shared table &1 not allowed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DD_MT_SHARING106 - Conversion of shared table &1 not allowed ?

  The SAP error message DD_MT_SHARING106 indicates that there is an issue with the conversion of a shared table. This typically occurs when you attempt to change the structure of a table that is shared across multiple clients or systems, and the system does not allow such changes due to data integrity and consistency concerns.
  Cause:
  
  Shared Table: The table in question is a shared table, meaning it is used by multiple clients or applications. SAP restricts certain operations on shared tables to prevent inconsistencies.
  Conversion Attempt: You may be trying to perform a conversion (like changing the data type, length, or structure) that is not permitted for shared tables.
  Client-Specific Settings: The settings or configurations in your SAP system may prevent modifications to shared tables.
  
  Solution:
  
  Check Table Usage: Verify if the table is indeed a shared table and understand its usage across different clients or applications.
  Avoid Conversion: If the conversion is not absolutely necessary, consider alternative approaches that do not involve changing the structure of the shared table.
  Use Client-Specific Tables: If you need to make changes, consider creating a client-specific version of the table instead of modifying the shared one.
  Consult Documentation: Review SAP documentation or notes related to the specific table and the error message for any additional guidelines or restrictions.
  Contact SAP Support: If you believe the conversion is necessary and you are unsure how to proceed, consider reaching out to SAP support for guidance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this error.
  Data Dictionary: Familiarize yourself with the Data Dictionary (SE11) to understand the properties of the table and its relationships with other tables.
  Transport Requests: If you are working in a development environment, ensure that any changes are properly transported to the quality and production environments following SAP's best practices.
  
  By following these steps, you should be able to address the DD_MT_SHARING106 error effectively.