How To Fix CM_EHFND_REQ091 - Pattern ID "&1" is not in the allowed namespace.

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_REQ - Messages for Compliance Requirement

• Message number: 091

• Message text: Pattern ID "&1" is not in the allowed namespace.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_REQ091 - Pattern ID "&1" is not in the allowed namespace. ?

  The SAP error message CM_EHFND_REQ091 indicates that a specific Pattern ID (in this case, represented by "&1") is not in the allowed namespace. This error typically arises in the context of SAP's Enterprise Services or when working with the SAP Cloud Platform, particularly in scenarios involving OData services or APIs.
  Cause:
  
  Namespace Restrictions: The error usually occurs when the Pattern ID being used is not defined in the allowed namespaces for the specific service or application. Each service may have a set of predefined namespaces that it recognizes, and any deviation from these can trigger this error.
  Configuration Issues: There may be a misconfiguration in the service definition or the way the service is being called, leading to the use of an invalid or unrecognized Pattern ID.
  Development Errors: If you are developing custom services or applications, it is possible that the Pattern ID was incorrectly defined or not properly registered in the system.
  
  Solution:
  
  Check Allowed Namespaces: Review the documentation for the specific service or application you are working with to identify the allowed namespaces. Ensure that the Pattern ID you are using is included in this list.
  Adjust Configuration: If you have access to the service configuration, ensure that the Pattern ID is correctly defined and that the service is set up to recognize it.
  Use Valid Pattern IDs: If you are developing custom services, make sure to use valid Pattern IDs that conform to the expected format and are registered in the system.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this issue. There may be patches or updates that resolve namespace issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant context to help them diagnose the issue.
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for the specific service or API you are working with to understand the expected namespaces and Pattern IDs.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They may provide insights or solutions based on their experiences.
  Development Guidelines: If you are developing custom applications, refer to SAP's development guidelines to ensure compliance with naming conventions and namespace usage.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.