How To Fix CM_EHFND_UI_COMN022 - Cannot assign validation rule "&1". This rule is already assigned.

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_UI_COMN - Message Class for EHFND UI

• Message number: 022

• Message text: Cannot assign validation rule "&1". This rule is already assigned.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_UI_COMN022 - Cannot assign validation rule "&1". This rule is already assigned. ?

  The SAP error message CM_EHFND_UI_COMN022 indicates that there is an attempt to assign a validation rule that has already been assigned to a particular context or object. This typically occurs in the context of customizing or configuring validation rules in SAP applications, particularly in the SAP Fiori or SAP UI5 environments.
  Cause:
  
  Duplicate Assignment: The validation rule you are trying to assign is already linked to the same object or context. This can happen if the rule was previously assigned and not removed before attempting to assign it again.
  Configuration Error: There may be a misconfiguration in the application where the same validation rule is being referenced multiple times unintentionally.
  Development or Transport Issues: If changes were made in a development environment and transported to a production environment, there might be inconsistencies in the assignment of validation rules.
  
  Solution:
  
  Check Existing Assignments: Review the current assignments of validation rules in the relevant configuration area. Ensure that the rule you are trying to assign is not already in use.
  Remove Duplicate Assignment: If the rule is already assigned and you need to reassign it, first remove the existing assignment before attempting to assign it again.
  Review Configuration: Go through the configuration settings to ensure that there are no duplicate entries or misconfigurations that could lead to this error.
  Consult Documentation: Refer to the SAP documentation or help resources for guidance on managing validation rules and their assignments.
  Transport Management: If this issue arises after a transport, check the transport logs and ensure that all necessary objects and configurations were transported correctly.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Debugging: If you have access to the development environment, consider debugging the application to trace where the assignment is being made and why the error is triggered.
  
  By following these steps, you should be able to resolve the error and successfully manage your validation rules in SAP.