How To Fix PRF_CNTRL_MSG091 - Header Key is initial

SAP Error Message - Details

• Message type: E = Error

• Message class: PRF_CNTRL_MSG - Message Class for control messages of PRF

• Message number: 091

• Message text: Header Key is initial

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 PRF_CNTRL_MSG091 - Header Key is initial ?

  The SAP error message PRF_CNTRL_MSG091 with the description "Header Key is initial" typically occurs in the context of SAP's Project System (PS) or related modules when there is an attempt to process a document or transaction that requires a header key, but the key is not provided or is empty.
  Cause:
  
  Missing Header Information: The most common cause of this error is that the system is trying to process a transaction (like creating a project, order, or other document) that requires a header key, but the key has not been populated.
  Incorrect Configuration: There may be configuration issues in the project or order management settings that lead to the header key not being generated or recognized.
  Data Entry Errors: Users may have inadvertently skipped entering required fields or made mistakes during data entry.
  
  Solution:
  
  Check Input Fields: Ensure that all required fields in the transaction are filled out correctly. Specifically, check for the header key field and ensure it is populated.
  Review Configuration: If you have access to configuration settings, review the settings related to the document type you are working with to ensure that the header key is being generated correctly.
  Transaction Logs: Check transaction logs or debugging information to identify where the process is failing. This can provide insights into what is missing or misconfigured.
  User Authorization: Ensure that the user has the necessary authorizations to create or modify the document in question.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or module you are working with to understand the requirements for the header key.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that pertain to the module you are working with (e.g., CJ20N for project management).
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.