How To Fix /PM0/ABP_BIZPRC126 - Unable to start new transaction. Go back (F3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABP_BIZPRC -

• Message number: 126

• Message text: Unable to start new transaction. Go back (F3)

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.

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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/ABP_BIZPRC126 - Unable to start new transaction. Go back (F3) ?

  The SAP error message /PM0/ABP_BIZPRC126 Unable to start new transaction. Go back (F3) typically indicates that there is an issue with starting a new transaction in the SAP system. This error can arise from various causes, and here are some common reasons along with potential solutions:
  Causes:
  
  Session Limit Exceeded: The user may have reached the maximum number of sessions allowed in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to start the transaction.
  System Configuration: There may be configuration issues in the SAP system that prevent the transaction from being initiated.
  Transaction Locking: The transaction might be locked due to another user or process.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or system performance issues.
  
  Solutions:
  
  
  Check Session Limit:
  
  Go to the SAP GUI and check how many sessions you currently have open. If you have reached the limit, close some sessions to free up space.
  
  
  
  Review Authorizations:
  
  Ensure that you have the necessary authorizations to execute the transaction. You may need to contact your SAP security team to verify your roles and permissions.
  
  
  
  Check System Configuration:
  
  Consult with your SAP Basis team to ensure that the system is configured correctly and that there are no issues with the transaction codes or profiles.
  
  
  
  Investigate Transaction Locks:
  
  Use transaction codes like SM12 to check for any locks on the transaction. If you find locks, you may need to resolve them or wait for the other user/process to complete.
  
  
  
  Technical Support:
  
  If the issue persists, it may be necessary to involve your SAP Basis or technical support team to investigate any underlying technical issues.
  
  
  
  Log Analysis:
  
  Check the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Documentation: Review the documentation for the specific transaction you are trying to execute to ensure that you are following the correct procedures.
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  If the problem continues after trying the above solutions, it may be beneficial to escalate the issue to your SAP support team for further investigation.