I have finally fixed it …
I removed all PHP versions and installed the old libjpeg62-turbo using dpkg… PHP7.2 installed fine and my Libre is back up. (Debian -- Package Download Selection -- libjpeg62-turbo_2.1.5-2+b2_amd64.deb)
Chas and Murrant, again thanks for the help again 
have a good night!