How To Fix 37855 - Invalid type for header element in table control

SAP Error Message - Details

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 855

• Message text: Invalid type for header element in table control

What causes this issue?

The element has a type that is not permitted in the title line of the
table control.

System Response

The element cannot be incorporated into the table control.

How to fix this error?

Choose an element with a permitted type. The title line of a table
control may currently only contain (static) texts and (dynamic) output
fields.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 37855 - Invalid type for header element in table control ?

  The SAP error message "37855 Invalid type for header element in table control" typically occurs in the context of SAP ABAP programming, particularly when dealing with table controls in screen programming (dynpro). This error indicates that there is a mismatch between the expected data type of a header element in a table control and the actual data type defined in the program.
  Cause:
  
  Data Type Mismatch: The header element of the table control is defined with a data type that is not compatible with what is expected. For example, if the header element is defined as a character type but is being treated as a numeric type, this error can occur.
  Field Definition Issues: The field definitions in the screen (using Screen Painter) may not match the data types defined in the ABAP program.
  Incorrect Field Assignment: If the fields in the table control are not correctly assigned to the corresponding data elements in the ABAP program, it can lead to this error.
  
  Solution:
  
  Check Data Types: Review the data types of the header elements in the table control and ensure they match the expected types in the ABAP program. You can do this by checking the data dictionary (SE11) for the data elements used.
  Adjust Field Definitions: If there are discrepancies, adjust the field definitions in the screen (using SE80 or SE41) to ensure they match the data types defined in the ABAP program.
  Reassign Fields: If necessary, reassign the fields in the table control to ensure they are correctly linked to the appropriate data elements in the ABAP program.
  Check Screen Attributes: Ensure that the attributes of the screen elements are correctly set, particularly for the table control and its header elements.
  Regenerate the Screen: Sometimes, regenerating the screen can help resolve issues related to inconsistencies in the screen definitions.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE41 (Menu Painter) to access and modify screen elements.
  Debugging: If the issue persists, consider using the debugger to trace the program execution and identify where the type mismatch occurs.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling table controls.
  
  By following these steps, you should be able to resolve the "37855 Invalid type for header element in table control" error in your SAP environment.