How To Fix CM_EHFND_COMN151 - &1: Operator "&2" not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_COMN - Commonly Used Messages

• Message number: 151

• Message text: &1: Operator "&2" not valid

What causes this issue?

You have entered an invalid operator.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter one of the following operators: < , > , <=, >= , =< , => , and
ca.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_COMN151 - &1: Operator "&2" not valid ?

  The SAP error message CM_EHFND_COMN151 with the description "Operator '&2' not valid" typically occurs in the context of SAP's Enterprise Foundation (EHFND) or when working with expressions in the SAP system, particularly in the context of data processing or query execution.
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid Operator: The operator specified in the expression or query is not recognized by the system. This could be due to a typo or using an operator that is not supported in the context where it is being used.
  
  
  Contextual Misuse: The operator may be valid in some contexts but not in the specific context where it is being applied. For example, using a mathematical operator in a string comparison context.
  
  
  Configuration Issues: There may be issues with the configuration of the system or the specific module you are working with, leading to the system not recognizing the operator.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Expression: Review the expression or query where the error occurred. Ensure that the operator used is valid for the context. Common operators include =, <>, >, <, >=, <=, and logical operators like AND, OR.
  
  
  Refer to Documentation: Consult the SAP documentation or help resources for the specific module you are working with to verify the valid operators for the context.
  
  
  Debugging: If you have access to debugging tools, you can step through the code or query execution to identify where the invalid operator is being applied.
  
  
  Consult with Colleagues or SAP Support: If you are unable to resolve the issue, consider reaching out to colleagues who may have experience with the specific module or contacting SAP support for assistance.
  
  
  Update or Patch: Ensure that your SAP system is up to date with the latest patches and updates, as sometimes bugs in the software can lead to unexpected errors.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP Notes often provide solutions or workarounds for specific error messages.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Training and Documentation: If you frequently encounter such errors, consider additional training or reviewing documentation related to the specific SAP module you are working with.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.