How To Fix ED128 - Module cannot be modified or cursor wrongly positioned

SAP Error Message - Details

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 128

• Message text: Module cannot be modified or cursor wrongly positioned

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 ED128 - Module cannot be modified or cursor wrongly positioned ?

  The SAP error message ED128, which states "Module cannot be modified or cursor wrongly positioned," typically occurs in the context of ABAP programming or when working with SAP's screen painter or module pool programming. This error indicates that there is an issue with the way the program is trying to modify a screen or a module, often due to the cursor being in an incorrect position or the module being in a state that does not allow modifications.
  Causes:
  
  
  Cursor Positioning: The cursor may not be positioned correctly on the screen or in the module where the modification is attempted. This can happen if the program logic does not properly control the flow of the screen or if the user interface is not in the expected state.
  
  
  Screen Attributes: The screen or module may be set to a mode that does not allow modifications (e.g., display mode instead of change mode).
  
  
  Program Logic Errors: