SAP Message 37090 - Place the cursor on a field which can accept input

Diagnosis
You are editing the columns of a table control and chose one of thefollowing functions:
- Attributes
- Create element
- Insert from temporary storage.
However, the cursor is not in a field for the name of a column elementor header for a column element or the field is not an input field.

System Response
The system cannot assign the function to any screen element.

Procedure
Place the cursor on a suitable field and repeat the function.
You can only create headers for column elements if the table controlhas the attribute 'with column headers'.