How To Fix TPDA160 - Table &1 contains columns that cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: TPDA - Debugger

• Message number: 160

• Message text: Table &1 contains columns that cannot be changed

What causes this issue?

Only table columns of a single type (C,I,...) or strings can be changed
in the table directly.

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

How to fix this error?

For columns containing objects, data references, structures or tables,
double-click to navigate to the respective detailed view, where you can
then make the changes.

Error message extract from SAP system. Copyright SAP SE.