SAP Message 5K714 - All existing tax infotypes will be deleted for selected employees

Diagnosis
The Conversion report has been executed in Production mode.

System Response
During a "Production" run of the Conversion program, all existing
Tax Framework records belonging to the selected employee will be
deleted prior to the current conversion.

Procedure
Before running the Conversion program in Production mode, ensure that
the Tax Framework infotypes do not contain irreplaceable data. The
Conversion program is intended for use with systems that have
not utilized the Tax Framework to date. Systems with existing
Tax Framework data should NOT use this program.