How To Fix /STMC/CR_MSG421 -

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 421

• Message text:

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 /STMC/CR_MSG421 - ?

  The SAP error message /STMC/CR_MSG421 typically relates to issues in the context of SAP's Supply Chain Management (SCM) or Advanced Planning and Optimization (APO) modules. This error message can indicate a problem with the configuration or execution of a process, such as a planning run or data transfer.
  Cause:
  The specific cause of the error can vary, but common reasons include:
  
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data that the system is trying to process.
  Configuration Issues: Incorrect settings in the configuration of the planning area, planning book, or other related components.
  Missing Authorizations: The user executing the process may not have the necessary authorizations to perform the action.
  Technical Issues: There could be underlying technical issues, such as problems with the database or system performance.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check the Logs: Review the application logs or transaction logs to get more details about the error. This can provide insights into what specifically triggered the error.
  Validate Data: Ensure that all relevant master data (like material master, location master, etc.) is correctly maintained and consistent.
  Review Configuration: Check the configuration settings in the relevant planning areas and books to ensure they are set up correctly.
  User Authorizations: Verify that the user has the necessary authorizations to execute the process. You may need to consult with your SAP security team.
  Consult Documentation: Look for SAP Notes or documentation related to the specific error message. SAP's support portal may have relevant information or patches.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to /STMC/CR_MSG421 in the SAP Support Portal. These notes may provide specific fixes or workarounds.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as /SAPAPO/SDP94 for planning runs or /SAPAPO/OM17 for master data checks.
  Community Forums: Check SAP Community forums or other user groups where similar issues may have been discussed.
  
  Always ensure that you have a backup of your data and configurations before making any changes to the system.