How To Fix DMEE138 - Key field flag is changed for &-&

DMEE138 - Overview

• Message type: E = Error

• Message class: DMEE - Messages for Data Medium Exchange Engine

• Message number: 138

• Message text: Key field flag is changed for &-&

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMEE138 - Key field flag is changed for &-& ?

  The SAP error message DMEE138 indicates that there is an issue with the configuration of the Data Medium Exchange Engine (DMEE) in SAP, specifically related to the key field flag for a certain field in the DMEE tree structure. This error typically arises when there is a mismatch or inconsistency in the configuration of the DMEE tree, particularly when a key field is modified or flagged incorrectly.
  
  Cause:
  
  Key Field Modification: The error occurs when a key field in the DMEE tree structure has been changed after it was already defined. This can happen if the configuration was altered without proper adjustments to the related settings.
  Inconsistent Configuration: If the DMEE tree structure is not consistent with the underlying data or if there are changes in the data structure that are not reflected in the DMEE configuration, this error can arise.
  Versioning Issues: If there are multiple versions of the DMEE tree and changes