Mixing Office 2016 and 2019 installations can cause license conflicts.
If residual files from previous versions are causing the conflict, use the Microsoft Support and Recovery Assistant quitar+mensaje+su+licencia+no+es+original+office+2019+cmd
(Esta es una clave pública GVLK para Project 2019, busca la GVLK correcta para tu edición específica de Office 2019 Professional Plus o Standard). Mixing Office 2016 and 2019 installations can cause