How To Fix 37851 - Invalid element for table control (conversion not possible)

37851 - Overview

• Message type: E = Error

• Message class: 37 - Screen Painter

• Message number: 851

• Message text: Invalid element for table control (conversion not possible)

What causes this issue?

The step loop contains an element that is not allowed in a table
control.

System Response

The step loop cannot be converted into a table control.

How to fix this error?

Check the elements in the step loop and either remove or convert the
ones that are not allowed in a table control. The following elements
are currently allowed:
As a title element:
Static texts and dynamic output fields;
As a column element:
Texts
Input/output fields (including dropdown list boxes)
Checkboxes and radio buttons (without text: if necessary, create the
texts separately in the title area)
Pushbuttons.

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 37851 - Invalid element for table control (conversion not possible) ?

  The SAP error message 37851, "Invalid element for table control (conversion not possible)," typically occurs in the context of SAP GUI programming, particularly when dealing with table controls in screen programming (dynpro). This error indicates that there is an issue with the data being processed in a table control, often related to the data type or structure of the elements being used.
  Causes:
  
  Data Type Mismatch: The data type of the field being used in the table control does not match the expected type. For example, if a numeric field is expected but a character field is provided, this can lead to conversion issues.
  Field Definition Issues: The field definitions in the table control may not be correctly set up, leading to invalid references.
  Incorrect Field Assignment: If the fields in the table control are not correctly assigned to the corresponding data elements in the program, it can cause this error.
  Screen Field Attributes: The