How To Fix /IWBEP/CM_V4_GWS002 - Unable to fetch the Collection '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_GWS -

• Message number: 002

• Message text: Unable to fetch the Collection '&1'

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_GWS002 - Unable to fetch the Collection '&1' ?

  The SAP error message /IWBEP/CM_V4_GWS002 Unable to fetch the Collection '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to retrieve a specific collection of data, which can be due to various reasons. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Service Not Activated: The OData service might not be activated in the SAP Gateway.
  Authorization Issues: The user may not have the necessary authorizations to access the data.
  Incorrect URL: The URL used to access the OData service might be incorrect or malformed.
  Data Model Issues: There may be issues with the underlying data model or the entity set definition.
  Backend Issues: The backend system might be down or experiencing issues that prevent data retrieval.
  Filter or Query Issues: If the request includes filters or query options, they may be incorrectly specified or lead to no results.
  
  Solutions:
  
  
  Activate the OData Service:
  
  Go to transaction code /IWFND/MAINT_SERVICE.
  Check if the service is listed and activated. If not, activate it.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary roles and authorizations to access the OData service and the underlying data.
  
  
  
  Verify the URL:
  
  Double-check the URL being used to access the OData service. Ensure it follows the correct format and points to the right service.
  
  
  
  Review the Data Model:
  
  Check the definition of the entity set in the OData service. Ensure that it is correctly defined and that the underlying data source is accessible.
  
  
  
  Check Backend System:
  
  Ensure that the backend system is up and running. You can test the connection to the backend to confirm it is operational.
  
  
  
  Examine Filters and Query Options:
  
  If the request includes filters or query options, review them to ensure they are valid and do not lead to an empty result set.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: For managing OData services.
  /IWBEP/REG_SERVICE: For registering OData services.
  
  
  
  Logs and Traces:
  
  Check the SAP Gateway logs (transaction /IWFND/ERROR_LOG) for more detailed error messages that can provide additional context.
  Use transaction SLG1 to check application logs for any related errors.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the error message.
  
  
  
  Documentation:
  
  Review the SAP Gateway and OData documentation for best practices and troubleshooting steps.
  
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution. If the issue persists, consider reaching out to SAP support for further assistance.