How To Fix /IWBEP/CM_COS002 - With http header 'RepeatabilityCreation' RequestID must be GUID length 32

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_COS -

• Message number: 002

• Message text: With http header 'RepeatabilityCreation' RequestID must be GUID length 32

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 /IWBEP/CM_COS002 - With http header 'RepeatabilityCreation' RequestID must be GUID length 32 ?

  The SAP error message /IWBEP/CM_COS002 with the description "With http header 'RepeatabilityCreation' RequestID must be GUID length 32" typically occurs in the context of SAP Gateway or OData services when a request is made with an invalid RequestID in the HTTP header RepeatabilityCreation. This header is used to ensure that requests can be retried safely without causing unintended side effects.
  Cause:
  The error is caused by the RequestID provided in the RepeatabilityCreation header not being a valid GUID (Globally Unique Identifier). A valid GUID is a 32-character hexadecimal string, often represented in the format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, where each x is a hexadecimal digit (0-9, a-f). If the RequestID is missing, too short, too long, or not in the correct format, this error will be triggered.
  Solution:
  To resolve this error, you should ensure that the RequestID in the RepeatabilityCreation header is a valid GUID. Here are the steps to troubleshoot and fix the issue:
  
  
  Check the RequestID Format: Ensure that the RequestID is exactly 32 characters long and consists only of hexadecimal characters (0-9, a-f). If you are using a GUID generator, make sure it produces a valid GUID.
  
  
  Modify the HTTP Header: If you are manually setting the RepeatabilityCreation header in your HTTP request, make sure to include a valid GUID. For example:
  RepeatabilityCreation: 123e4567-e89b-12d3-a456-426614174000
  
  
  Review Client Code: If the request is being generated by client code (e.g., an application or script), review the code to ensure that it correctly generates and includes a valid GUID in the RepeatabilityCreation header.
  
  
  Testing: After making the necessary changes, test the request again to ensure that the error no longer occurs.
  
  
  Related Information:
  
  GUID Format: A GUID is typically represented in a 36-character string format (including hyphens), but the raw GUID without hyphens is 32 characters long. Ensure that you are using the correct format as required by the SAP system.
  SAP Gateway Documentation: Refer to the SAP Gateway documentation for more details on how to handle OData requests and the use of headers like RepeatabilityCreation.
  Error Handling: Implement error handling in your application to catch such errors and provide meaningful feedback to users or logs for troubleshooting.
  
  By ensuring that the RequestID is a valid GUID, you should be able to resolve the error and successfully process your requests.