How To Fix /PM0/ALB_FND_MSG637 - Conversions are only possible at one time

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ALB_FND_MSG -

• Message number: 637

• Message text: Conversions are only possible at one time

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 /PM0/ALB_FND_MSG637 - Conversions are only possible at one time ?

  The SAP error message /PM0/ALB_FND_MSG637: Conversions are only possible at one time typically occurs in the context of data conversion processes, particularly when multiple conversion processes are attempted simultaneously. This can happen in various scenarios, such as during data migration, batch processing, or when using specific transaction codes that involve conversions.
  Cause:
  
  Concurrent Conversions: The error is primarily caused by trying to execute multiple conversion processes at the same time. SAP restricts concurrent conversions to ensure data integrity and avoid conflicts.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one conversion process is already running, any subsequent attempts to start another conversion will trigger this error.
  Configuration Issues: Sometimes, the configuration settings related to the conversion process may not be set correctly, leading to this error.
  
  Solution:
  
  Check Running Processes: Verify if there are any ongoing conversion processes. You can do this by checking transaction codes like SM50 (for active processes) or SM66 (for global processes). If you find any active conversion jobs, wait for them to complete before starting a new one.
  Sequential Execution: Ensure that conversion processes are executed sequentially rather than concurrently. This may involve scheduling jobs or manually managing the execution order.
  Review Job Logs: If the error persists, check the job logs for any additional error messages or warnings that might provide more context about the issue.
  Configuration Review: Review the configuration settings related to the conversion process to ensure they are set up correctly. This may involve consulting with your SAP Basis or technical team.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (for job monitoring) and ST22 (for dumps) to troubleshoot further.
  Documentation: Refer to SAP documentation or help files related to the specific conversion process you are working with for more detailed guidance.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance, providing them with the error message and any relevant logs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.