How To Fix CRD_REQBUILD400 - Error while checking requirements list &1(ID &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CRD_REQBUILD - Credentialing: Generate Requirements

• Message number: 400

• Message text: Error while checking requirements list &1(ID &2)

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 CRD_REQBUILD400 - Error while checking requirements list &1(ID &2) ?

  The SAP error message CRD_REQBUILD400 typically occurs during the process of checking the requirements list for a specific material or product. This error can arise due to various reasons, and understanding the cause is essential for finding an appropriate solution.
  Cause:
  
  Data Inconsistencies: The error may be caused by inconsistencies in the master data or transaction data related to the material or product.
  Missing Configuration: There might be missing configuration settings in the system that are required for the requirements list to be built correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the data required for checking the requirements list.
  System Bugs: Occasionally, this error can be triggered by bugs in the SAP system or specific patches that have not been applied.
  
  Solution:
  
  Check Master Data: Verify that the master data for the material (e.g., material master, BOM, routing) is complete and consistent. Look for any missing or incorrect entries.
  Review Configuration: Ensure that all necessary configuration settings related to the material and its requirements are correctly set up in the system.
  Authorization Check: Confirm that the user has the appropriate authorizations to access the required data. If not, work with your SAP security team to grant the necessary permissions.
  Transaction Logs: Check the transaction logs for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates available that resolve the issue.
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify where the error is occurring and why.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List) and MD05 (Individual Requirements List) to analyze the requirements list.
  SAP Documentation: Review SAP documentation related to material requirements planning (MRP) and the specific modules you are working with.
  Community 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 diagnose and resolve the CRD_REQBUILD400 error effectively.