Export not possible due to tax codes being previously displayed

What causes this issue?

Prior to export, you changed or displayed tax codes. For technical
reasons, the system cannot therefore read some of the data it requires.

System Response

None

How to fix this error?

Run this program again (maintain tax code (transaction FTXP)).

Procedure for System Administrators

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.