How To Fix CMT2138 - Call up of methods from subscreen not allowed


CMT2138 - Overview

  • Message type: E = Error

  • Message class: CMT2 - Add-On Version: Message Class in CM Environment

  • Message number: 138

  • Message text: Call up of methods from subscreen not allowed

  • Show details Hide details


  • 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 CMT2138 - Call up of methods from subscreen not allowed ?
    The SAP error message CMT2138, which states "Call up of methods from subscreen not allowed," typically occurs in the context of ABAP programming when there is an attempt to call a method from a subscreen that is not permitted. This can happen in various scenarios, particularly when dealing with custom screens or enhancements in SAP.
    
    Cause: Subscreen Context: The error arises when a method is called from a subscreen context where it is not allowed. In SAP, certain methods can only be called from the main screen or specific contexts. Incorrect Screen Flow Logic: The screen flow logic may be incorrectly set up, leading to an attempt to invoke methods that are not designed to be called from subscreens. Enhancements or Modifications: If there are custom enhancements or modifications in the program, they might inadvertently lead to this error by trying to access methods inappropriately.
    Solution: Review Method Calls: Check the code where the method is

    Already have an account? Login here!




Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
The AI Support Assistant is great. It provides comprehensive assistance even on the most difficult issues. I highly recommend this service.
Rate 1
John Jordan
SAP Consultant & Author