Das sehe ich im Log :
2020.04.03 14:04:07 1: PERL WARNING: Use of uninitialized value in concatenation (.) or string at ./FHEM/98_inotify.pm line 120, <$fh> line 1307.
2020.04.03 14:04:07 1: stacktrace:
2020.04.03 14:04:07 1: main::__ANON__ called by ./FHEM/98_inotify.pm (120)
2020.04.03 14:04:07 1: main::inotify_Define called by fhem.pl (3772)
2020.04.03 14:04:07 1: main::CallFn called by fhem.pl (2082)
2020.04.03 14:04:07 1: main::CommandDefine called by fhem.pl (1247)
2020.04.03 14:04:07 1: main::AnalyzeCommand called by fhem.pl (1100)
2020.04.03 14:04:07 1: main::AnalyzeCommandChain called by fhem.pl (1385)
2020.04.03 14:04:07 1: main::CommandInclude called by fhem.pl (610)
2020.04.03 14:04:07 1: PERL WARNING: Use of uninitialized value in substitution (s///) at ./FHEM/98_inotify.pm line 440, <$fh> line 1307.
2020.04.03 14:04:07 1: stacktrace:
2020.04.03 14:04:07 1: main::__ANON__ called by ./FHEM/98_inotify.pm (440)
2020.04.03 14:04:07 1: main::inotify_setMasks called by ./FHEM/98_inotify.pm (247)
2020.04.03 14:04:07 1: main::inotify_Attr called by fhem.pl (3772)
2020.04.03 14:04:07 1: main::CallFn called by fhem.pl (3007)
2020.04.03 14:04:07 1: main::CommandAttr called by ./FHEM/98_inotify.pm (134)
2020.04.03 14:04:07 1: main::inotify_Define called by fhem.pl (3772)
2020.04.03 14:04:07 1: main::CallFn called by fhem.pl (2082)
2020.04.03 14:04:07 1: main::CommandDefine called by fhem.pl (1247)
2020.04.03 14:04:07 1: main::AnalyzeCommand called by fhem.pl (1100)
2020.04.03 14:04:07 1: main::AnalyzeCommandChain called by fhem.pl (1385)
2020.04.03 14:04:07 1: main::CommandInclude called by fhem.pl (610)