How To Fix /BDL/D-120 - Invalid dialog type

SAP Error Message - Details

• Message type: E = Error

• Message class: /BDL/D- -

• Message number: 120

• Message text: Invalid dialog type

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /BDL/D-120 - Invalid dialog type ?

  The SAP error message /BDL/D-120 Invalid dialog type typically occurs in the context of Business Data Language (BDL) or when dealing with certain dialog processes in SAP. This error indicates that the system has encountered an invalid or unsupported dialog type during execution.
  Causes:
  
  Incorrect Configuration: The dialog type specified in the configuration may not be valid or recognized by the system.
  Custom Development Issues: If there are custom programs or enhancements that interact with dialog types, they may be incorrectly implemented.
  Version Compatibility: The dialog type may not be supported in the version of SAP you are using.
  Data Issues: There may be issues with the data being processed that lead to an invalid dialog type being referenced.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the dialog types in your SAP system. Ensure that the dialog type being used is valid and correctly set up.
  Review Custom Code: If there are custom developments, check the code for any references to dialog types. Ensure that they are correctly implemented and that the dialog types being used are valid.
  Consult Documentation: Refer to SAP documentation or notes related to the specific dialog types you are using. This can provide insights into valid configurations and any known issues.
  Update SAP System: If the issue is related to version compatibility, consider updating your SAP system to a version that supports the dialog type in question.
  Data Validation: Validate the data being processed to ensure that it does not contain any invalid references to dialog types.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. SAP frequently releases notes that address specific error messages and provide solutions.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to investigate the custom code or function modules that may be causing the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.