How To Fix 37760 - Element can only be an output field, not an input field

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 760

• Message text: Element can only be an output field, not an input field

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 37760 - Element can only be an output field, not an input field ?

  The SAP error message 37760, which states "Element can only be an output field, not an input field," typically occurs in the context of SAP ABAP programming, particularly when dealing with data elements in function modules, BAPIs, or other data structures.
  Cause:
  This error arises when you attempt to define a field in a structure or a function module as an input parameter when it is defined as an output field in the associated data dictionary object (like a data element or structure). In SAP, certain fields are designated to only return data (output) and cannot be used to accept input.
  Solution:
  To resolve this error, you should:
  
  
  Check the Data Element Definition: 
  
  Go to the data dictionary (transaction SE11) and check the definition of the data element or structure that is causing the issue. Ensure that the field you are trying to use as an input is not defined as an output-only field.
  
  
  
  Modify the Function Module or Structure:
  
  If you have control over the function module or structure, you may need to adjust the parameters. Change the parameter type from input to output if it is appropriate for your use case.
  If the field is indeed meant to be an input field, consider creating a new data element or structure that allows for input.
  
  
  
  Review the Calling Program:
  
  Ensure that the program or report calling the function module is passing the correct parameters. If you are mistakenly passing an output field as an input, correct this in your calling code.
  
  
  
  Consult Documentation:
  
  If you are using standard SAP function modules or BAPIs, refer to the SAP documentation to understand the expected parameters and their definitions.
  
  
  
  Related Information:
  
  Data Dictionary (SE11): This is where you can view and modify data elements, domains, and structures.
  Function Module (SE37): You can check the parameters of the function module that is causing the error.
  ABAP Development: Understanding the distinction between input and output parameters in ABAP programming is crucial for avoiding such errors.
  
  If you continue to face issues after checking these areas, consider reaching out to your SAP support team or consulting the SAP community for further assistance.