How To Fix 37194 - 'Input' attribute lost in transformation to box or pushbutton

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 194

• Message text: 'Input' attribute lost in transformation to box or pushbutton

What causes this issue?

The input/output field which you tried to convert into a pushbutton has
the attribute 'input field'. Only 'output field' and 'exclusively
output field' are permissible.

System Response

The system has removed the 'input field' attribute.
It will also, if necessary, have removed other attributes which only
apply to input fields, such as 'required entry' or 'no template'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 37194 - 'Input' attribute lost in transformation to box or pushbutton ?

  The SAP error message 37194, which states "Input attribute lost in transformation to box or pushbutton," typically occurs in the context of SAP GUI programming, particularly when dealing with screen elements in a dialog program or a module pool.
  Cause:
  This error usually arises when there is an attempt to convert an input field (like a text box) into a non-input element (like a pushbutton or a box) in a way that is not supported. The transformation process may lose the input attribute, which means that the system cannot accept user input for that element anymore. This can happen due to:
  
  Incorrect Screen Element Definition: The screen element might be defined incorrectly in the screen painter.
  Type Mismatch: There may be a mismatch between the expected data type and the actual data type of the screen element.
  Program Logic Issues: The program logic may be trying to change the properties of the screen element dynamically in a way that is not allowed.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Screen Element Properties: Open the screen in the Screen Painter and verify the properties of the affected element. Ensure that the element is defined correctly as an input field if it is supposed to accept user input.
  
  
  Review Program Logic: Look through the ABAP code to see if there are any statements that are trying to change the properties of the screen element dynamically. Ensure that you are not trying to convert an input field into a non-input field inappropriately.
  
  
  Recreate the Screen Element: If the properties seem correct but the error persists, consider deleting the problematic screen element and recreating it. This can sometimes resolve issues caused by corruption or misconfiguration.
  
  
  Check for Compatibility: Ensure that the screen elements are compatible with the version of SAP you are using. Sometimes, certain properties or behaviors may change between versions.
  
  
  Debugging: Use the debugger to step through the code and identify exactly where the transformation is occurring. This can help pinpoint the exact cause of the error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Refer to the official SAP documentation for screen programming and the Screen Painter tool to understand the properties and behaviors of different screen elements.
  Community Forums: Engage with the SAP community forums or SAP support for additional insights or similar experiences from other developers.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message 37194 in your SAP application.