How To Fix SOI561 - Changing table &1 field &2 to a none-key field is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SOI - Safe Online Import/Upgrade Messages

• Message number: 561

• Message text: Changing table &1 field &2 to a none-key field is not supported

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOI561 - Changing table &1 field &2 to a none-key field is not supported ?

  The SAP error message SOI561 indicates that you are trying to change a field in a database table from a key field to a non-key field, which is not supported by the system. This typically occurs when you are attempting to modify the structure of a table in a way that violates the rules of the underlying database or the data dictionary in SAP.
  
  Cause:
  
  Key Field Definition: In SAP, key fields are used to uniquely identify records in a table. Changing a key field to a non-key field can lead to data integrity issues, as it may affect how records are accessed and managed.
  Database Constraints: The underlying database may have constraints that prevent such changes. Key fields often have indexes associated with them, and changing their status can lead to inconsistencies.
  Data Dictionary Rules: The SAP data dictionary has specific rules regarding the modification of table structures, especially concerning key fields.
  
  
  Solution:
  
  Review Table