Hello, following testing I noticed the effect doing the routine tex updates.
The file/tmp/fmtutil.mihI6SqL ends with fmtutil [INFO]: log file copied to: /var/lib/texmf/web2c/pdftex/mltex.log fmtutil [INFO]: /var/lib/texmf/web2c/pdftex/mltex.fmt installed. fmtutil [ERROR]: no (or empty) hitex.fmt made by: hitex -ini -jobname=hitex -progname=hitex -etex -ltx hitex.ini </dev/null fmtutil [INFO]: disabled formats: 1 fmtutil [INFO]: successfully rebuilt formats: 30 fmtutil [INFO]: failed to build: 1 (hitex/hitex) fmtutil [INFO]: total formats: 32 fmtutil [INFO]: exiting with status 1 Bye, Joerg