How To Fix DBMAN866 - KYFNM initial in I_TH_SFK is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 866

• Message text: KYFNM initial in I_TH_SFK is 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.

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 DBMAN866 - KYFNM initial in I_TH_SFK is not allowed ?

  The SAP error message DBMAN866 with the description "KYFNM initial in I_TH_SFK is not allowed" typically indicates an issue related to database management, specifically concerning the handling of a field or parameter that is expected to have a value but is found to be empty or initial.
  
  Cause:
  
  Empty Field: The error suggests that a key field (in this case, KYFNM) in the internal table I_TH_SFK is empty or not initialized when it is expected to contain a value.
  Data Integrity: This could be due to data integrity issues where the required data is not being populated correctly before the database operation is attempted.
  
  Configuration Issues: There may be configuration settings that are not correctly set up, leading to the absence of necessary data.
  
  
  Solution:
  
  Check Data Population: Ensure that the field KYFNM is being populated correctly before the operation that triggers this error. You may need to trace back through the code to see where