I Cannot login. "OCP AutoloadNotAllowedException" in "apps/files_external/lib/config.php"

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regarding the bizarre behaviour of 2.: root@nextcloud:~ # php-fpm -i | egrep --color 'PATH|env' cgi.redirect_status_env => no value => no value PATH => /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin $_SERVER['PATH'] => /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin

https://docs.nextcloud.com//server/10/admin_manual/installation/source_installation.html#php-fpm-tips-label

But:

$ LANG=EN wget --no-check-certificate -O -  https://172.16.240.39/phpinfo.php | lynx -stdin --dump | egrep -i 'env|path'
--2020-09-01 15:13:24--  https://172.16.240.39/phpinfo.php
Connecting to 172.16.240.39:443... connected.
The certificate's owner does not match hostname '172.16.240.39'
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: 'STDOUT'

-                                          [ <=>                                                                        ]  77.40K  --.-KB/s    in 0.003s

2020-09-01 15:13:24 (25.4 MB/s) - written to stdout [79253]

   Configuration File (php.ini) Path /usr/local/etc
   cgi.discard_path        0           0
   cgi.fix_pathinfo        1           1
   cgi.redirect_status_env no value    no value
   include_path .:/usr/local/share/pear .:/usr/local/share/pear
   realpath_cache_size 4096K 4096K
   realpath_cache_ttl 120 120
   sendmail_path /usr/sbin/sendmail -t -i /usr/sbin/sendmail -t -i
   XPath Support       enabled
   openssl.capath no value    no value
   session.cookie_path              /                           /
   session.save_path                no value                    no value
   Path to sendmail        /usr/sbin/sendmail -t -i
   opcache.lockfile_path                 /tmp        /tmp
   opcache.revalidate_path               Off         Off
Environment
   $_SERVER['LD_LIBRARY_PATH'] /usr/local/lib:/usr/local/lib
   $_SERVER['PATH'] /sbin:/bin:/usr/sbin:/usr/bin

I’m missing the line PATH => /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:/root/bin