How To Fix M2686 - Internal error occured when checking entries or possible entries field

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 686

• Message text: Internal error occured when checking entries or possible entries field

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 M2686 - Internal error occured when checking entries or possible entries field ?

  The SAP error message M2686, which states "Internal error occurred when checking entries or possible entries field," typically indicates that there is an issue with the data being processed in the Material Management (MM) module, particularly related to material master data or transaction data.
  Causes:
  
  Data Inconsistency: There may be inconsistencies in the material master data or related tables that the system is trying to validate.
  Custom Code Issues: If there are custom enhancements or user exits that manipulate data during the entry process, they may be causing the error.
  
  Configuration Issues: Incorrect configuration settings in the material management module can lead to this error.
  Database Issues: Problems with the underlying database, such as corruption or connectivity issues, can also trigger this error.
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to access certain data, leading to this error.
  
  Solutions:
  
  Check Data Consistency: Use transaction codes like MM02 to check the material master data for