Hi Girish,
Thanks for your help.
I have cloned the app and updated it.
==> Updating wordpress database
Jul 27 17:19:04 Success: WordPress database already at latest db version 47018.
Jul 27 17:19:04 ==> Unpacking plugins
Jul 27 17:19:05 Unpacking the package...
Jul 27 17:19:05 Installing the plugin...
Jul 27 17:19:05 Removing the old version of the plugin...
Jul 27 17:19:05 Plugin updated successfully.
Jul 27 17:19:07 Success: Installed 1 of 1 plugins.
Jul 27 17:19:08 Warning: Plugin 'disable-wordpress-core-update' is already active.
Jul 27 17:19:08 Success: Plugin already activated.
Jul 27 17:19:09 Unpacking the package...
Jul 27 17:19:09 Installing the plugin...
Jul 27 17:19:09 Removing the old version of the plugin...
Jul 27 17:19:09 Plugin updated successfully.
Jul 27 17:19:10 Success: Installed 1 of 1 plugins.
Jul 27 17:19:11 Warning: Plugin 'wp-mail-smtp' is already active.
Jul 27 17:19:11 Success: Plugin already activated.
Jul 27 17:19:12 Unpacking the package...
Jul 27 17:19:12 Installing the plugin...
Jul 27 17:19:12 Removing the old version of the plugin...
Jul 27 17:19:12 Plugin updated successfully.
Jul 27 17:19:12 Success: Installed 1 of 1 plugins.
Jul 27 17:19:13 Warning: Plugin 'authLdap-2.4.2' is already active.
Jul 27 17:19:13 Success: Plugin already activated.
Jul 27 17:19:13 ==> Updating domain related settings
Jul 27 17:19:14 Success: Value passed for 'siteurl' option is unchanged.
Jul 27 17:19:15 Success: Value passed for 'home' option is unchanged.
Jul 27 17:19:15 ==> Configuring smtp mail
Jul 27 17:19:16 Success: Updated 'wp_mail_smtp' option.
Jul 27 17:19:16 ==> Configuring LDAP
Jul 27 17:19:17 Success: Value passed for 'authLDAPOptions' option is unchanged.
Jul 27 17:19:17 ==> Starting apache
Jul 27 17:19:17 AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.18.0.2. Set the 'ServerName' directive globally to suppress this message
Jul 27 17:19:17 AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.18.0.2. Set the 'ServerName' directive globally to suppress this message
Jul 27 17:19:17 [Mon Jul 27 16:19:17.574388 2020] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.29 (Ubuntu) mod_perl/2.0.10 Perl/v5.26.1 configured -- resuming normal operations
Jul 27 17:19:17 [Mon Jul 27 16:19:17.575121 2020] [core:notice] [pid 1] AH00094: Command line: '/usr/sbin/apache2 -D FOREGROUND'
Jul 27 17:19:20 172.18.0.1 - - [27/Jul/2020:16:19:20 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"
Jul 27 17:19:30 172.18.0.1 - - [27/Jul/2020:16:19:30 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"
Jul 27 17:19:40 172.18.0.1 - - [27/Jul/2020:16:19:40 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"
Jul 27 17:19:50 172.18.0.1 - - [27/Jul/2020:16:19:50 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"
Jul 27 17:20:00 172.18.0.1 - - [27/Jul/2020:16:20:00 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"
Jul 27 17:20:01 [Mon Jul 27 16:20:01.042734 2020] [php7:error] [pid 41] [client 172.18.0.1:48468] PHP Fatal error: Cannot redeclare authLdap_send_change_email() (previously declared in /app/data/wp-content/plugins/authLdap-2.4.2/authLdap.php:849) in /app/data/wp-content/plugins/authldap/authLdap.php on line 849, referer: https://my.removed/
Jul 27 17:20:01 172.18.0.1 - - [27/Jul/2020:16:20:00 +0000] "GET / HTTP/1.1" 500 3117 "https://my.removed/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0"
Jul 27 17:20:01 [Mon Jul 27 16:20:01.182234 2020] [php7:error] [pid 42] [client 172.18.0.1:48474] PHP Fatal error: Cannot redeclare authLdap_send_change_email() (previously declared in /app/data/wp-content/plugins/authLdap-2.4.2/authLdap.php:849) in /app/data/wp-content/plugins/authldap/authLdap.php on line 849
Jul 27 17:20:01 172.18.0.1 - - [27/Jul/2020:16:20:01 +0000] "GET /favicon.ico HTTP/1.1" 500 3117 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0"
Jul 27 17:20:06 => Run cron job
Jul 27 17:20:07 PHP Fatal error: Cannot redeclare authLdap_send_change_email() (previously declared in /app/data/wp-content/plugins/authLdap-2.4.2/authLdap.php:849) in /app/data/wp-content/plugins/authldap/authLdap.php on line 849
Jul 27 17:20:07 Fatal error: Cannot redeclare authLdap_send_change_email() (previously declared in /app/data/wp-content/plugins/authLdap-2.4.2/authLdap.php:849) in /app/data/wp-content/plugins/authldap/authLdap.php on line 849
Jul 27 17:20:07 Error: There has been a critical error on your website.Learn more about debugging in WordPress. There has been a critical error on your website.
Jul 27 17:20:10 172.18.0.1 - - [27/Jul/2020:16:20:10 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"
Jul 27 17:20:20 172.18.0.1 - - [27/Jul/2020:16:20:20 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"
Jul 27 17:20:30 172.18.0.1 - - [27/Jul/2020:16:20:30 +0000] "GET /wp-includes/version.php HTTP/1.1" 200 166 "-" "Mozilla (CloudronHealth)"