How To Fix AB104 - Error when opening screen (Function module BDC_DYNPRO)

SAP Error Message - Details

• Message type: E = Error

• Message class: AB -

• Message number: 104

• Message text: Error when opening screen (Function module BDC_DYNPRO)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AB104 - Error when opening screen (Function module BDC_DYNPRO) ?

  The SAP error message AB104 typically occurs when there is an issue with the screen or the function module BDC_DYNPRO during a batch data communication (BDC) session. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes of AB104 Error
  
  Screen Not Found: The specified screen might not exist in the system, or there could be a typo in the screen number.
  Authorization Issues: The user executing the BDC might not have the necessary authorizations to access the screen or transaction.
  Incorrect Program/Transaction: The program or transaction being called may not be correctly defined or may not exist.
  BDC Session Issues: There could be issues with the BDC session itself, such as it being locked or not properly configured.
  Technical Issues: There may be underlying technical issues, such as missing components or system inconsistencies.
  
  Solutions
  
  Check Screen Number: Verify that the screen number being called in the BDC program is correct and exists in the system.
  Authorization Check: Ensure that the user has the necessary authorizations to access the transaction and screen. You can check this using transaction SU53 after the error occurs.
  Review BDC Program: Double-check the BDC program for any errors in the code, especially in the part where the screen is called.
  Transaction Code Verification: Make sure that the transaction code used in the BDC is valid and correctly defined in the system.
  BDC Session Management: If you are using a BDC session, check if the session is locked or if there are any issues with the session management.
  Debugging: If you have access, you can debug the BDC program to see where exactly the error occurs and gather more information about the context of the error.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with transaction codes like SM35 (for managing BDC sessions) and SE37 (for function module management).
  BDC Programming: Understanding the basics of BDC programming can help in troubleshooting. Review the structure of BDC programs and how they interact with screens.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP team for further investigation.