Hi Frank,
Sorry, but I reply only to the latest problem.
#This e-mail is a reply to the message of Frank Thommen
<list.dokuwiki@xxxxxxxxxx>, sent on Sat, 6 Jun 2020 18:43:36 +0200:
#"
Hi Juergen,
thanks a lot for the quick answer. I applied your suggested fix and
now the error message in the apache log has changed to
-------------------------------
[Sat Jun 06 18:34:19.746842 2020] [php7:error] [pid 15828] [client
192.54.49.102:50418] PHP Fatal error: Declaration of
syntax_plugin_source::handle($match, $state, $pos, &$handler) must
be compatible with dokuwiki\\Extension\\SyntaxPlugin::handle($match,
$state, $pos, Doku_Handler $handler) in
/data/dokuwiki/lib/plugins/source/syntax.php on line 233
-------------------------------
I must admit, that only while reading your answer I realized that
the issue came from the "do" plugin ("Wer lesen kann ist im Vorteil"
:-). However when disabling the "do" plugin manually in
conf/plugins.local.php I get the exactly same error in the webserver
logs.
I might just restore the Wiki from the last backup and wait for a
release-ready Hogfather, as by Monday morning I need to hava a
working Wiki again.
Cheers, Frank
#end of previous message"