AA770 - BDC session could not be created (see list)

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 770

• Message text: BDC session could not be created (see list)

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.

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AnswerBot

• What is the cause and solution for SAP error message AA770 - BDC session could not be created (see list) ?

  The SAP error message AA770 indicates that a Batch Data Communication (BDC) session could not be created. This error typically occurs when there are issues related to the BDC session creation process, which is often used for data uploads or batch processing in SAP.
  Causes of Error AA770
  
  
  Session Limit Exceeded: The maximum number of BDC sessions that can be created has been reached. Each user has a limit on the number of sessions they can create.
  
  
  User Authorization Issues: The user may not have the necessary authorizations to create a BDC session.
  
  
  System Configuration: There may be configuration issues in the SAP system that prevent session creation.
  
  
  Technical Errors: There could be underlying technical issues, such as database locks or system performance problems.
  
  
  Incorrect Parameters: The parameters or data being passed to the BDC session may be incorrect or incomplete.
  
  
  Solutions to Error AA770
  
  
  Check Session Limits:
  
  Verify the number of active BDC sessions for the user. You can do this by checking the transaction SM35 to see if there are any existing sessions that can be deleted or processed.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to create BDC sessions. This may involve checking roles and profiles assigned to the user.
  
  
  
  System Configuration:
  
  Review the system configuration settings related to BDC sessions. This may involve checking parameters in transaction RZ10 or consulting with your SAP Basis team.
  
  
  
  Technical Issues:
  
  Investigate any technical issues that may be affecting the system. This could involve checking system logs (transaction SM21) or performance metrics.
  
  
  
  Review Input Data:
  
  Ensure that the data being used for the BDC session is correct and complete. Validate the input data format and structure.
  
  
  
  Restart the Session:
  
  If the session was interrupted or failed, try restarting the session creation process after addressing any identified issues.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM35: To monitor and manage BDC sessions.
  SM21: To check system logs for errors.
  SU53: To analyze authorization issues.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to BDC sessions and error AA770.
  
  
  Documentation: Review SAP documentation on BDC processing for best practices and troubleshooting tips.
  
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.