How To Fix DMCLG736 - &1-&2: Check not possible because key is not a field of the domain

DMCLG736 - Overview

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 736

• Message text: &1-&2: Check not possible because key is not a field of the domain

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 DMCLG736 - &1-&2: Check not possible because key is not a field of the domain ?

  The SAP error message DMCLG736 indicates that there is an issue with a key field in a domain that is being referenced in a check operation. Specifically, the error message states that the check is not possible because the key is not a field of the domain. This typically occurs in the context of data modeling or when working with domain checks in SAP.
  
  Cause:
  
  Incorrect Key Definition: The key field specified in the check is not defined as a field within the domain. This could happen if the key field is misspelled, or if it has not been included in the domain definition.
  Domain 
  Configuration Issues: The domain may not be properly configured to include the necessary fields, or the field types may not match the expected types for the check.
  Data Model Changes: If there have been recent changes to the data model, such as adding or removing fields, it may lead