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

/BDL/D-120 - Overview

• 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.

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 /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