Not loading any pages with Items

Hi Community,

Recently, on our testing institutional Omeka-S installation, we have been unable to get onto any pages dealing with Items. So the landing page gets a list of websites, and as a user you click on it and it just has "waiting for … " underneath.
I can log in and access Resource Templates, Modules, List of Sites, Logs, etc but if i click on items or item sets, the same “waiting for appears” indefinetley.

Our system is:
Omeka S
Version 2.1.1
PHP
Version 7.2.30-1+ubuntu18.04.1+deb.sury.org+1
SAPI apache2handler
Memory Limit 256M
POST Size Limit 256M
File Upload Limit 1024M
Garbage Collection Yes
Extensions apache2handler, bz2, calendar, Core, ctype, curl, date, dom, exif, fileinfo, filter, ftp, gettext, hash, iconv, json, libxml, mbstring, mysqli, mysqlnd, openssl, pcre, PDO, pdo_mysql, Phar, posix, readline, Reflection, session, shmop, SimpleXML, sockets, sodium, SPL, standard, sysvmsg, sysvsem, sysvshm, tokenizer, wddx, xml, xmlreader, xmlwriter, xsl, Zend OPcache, zip, zlib
Disabled Functions , pcntl_alarm, pcntl_async_signals, pcntl_exec, pcntl_fork, pcntl_getpriority, pcntl_get_last_error, pcntl_setpriority, pcntl_signal, pcntl_signal_dispatch, pcntl_signal_get_handler, pcntl_sigprocmask, pcntl_sigtimedwait, pcntl_sigwaitinfo, pcntl_strerror, pcntl_wait, pcntl_waitpid, pcntl_wexitstatus, pcntl_wifcontinued, pcntl_wifexited, pcntl_wifsignaled, pcntl_wifstopped, pcntl_wstopsig, pcntl_wtermsig
MySQL
Server Version 5.7.30-0ubuntu0.18.04.1
Client Version mysqlnd 5.0.12-dev - 20150407 - $Id: 3591daad22de08524295e1bd073aceeff11e6579 $
Mode ONLY_FULL_GROUP_BY, STRICT_TRANS_TABLES, NO_ZERO_IN_DATE, NO_ZERO_DATE, ERROR_FOR_DIVISION_BY_ZERO, NO_AUTO_CREATE_USER, NO_ENGINE_SUBSTITUTION
OS
Version Linux 5.3.0-46-generic x86_64

Recent error logs are:

Command “/usr/bin/convert ‘/tmp/omekaSOjPJJ[0]’ -auto-orient -background white +repage -alpha remove -thumbnail ‘800x800>’ ‘/tmp/omekaExFxEC.jpg’” failed with status code 1. May 4, 2020 10:28am error
Command “/usr/bin/convert -density 150 ‘/tmp/omekaO3FZmG[0]’ -auto-orient -background white +repage -alpha remove -thumbnail ‘800x800>’ ‘/tmp/omekaQt0wD2.jpg’” failed with status code 1. May 4, 2020 9:50am error
Command “command -v ‘pdftotext’” failed with status code 127. May 4, 2020 9:50am error
Command “/usr/bin/convert -density 150 ‘/tmp/omekaAkdyMj[0]’ -auto-orient -background white +repage -alpha remove -thumbnail ‘800x800>’ ‘/tmp/omekadHYdef.jpg’” failed with status code 1. May 1, 2020 1:46pm error

I am trying to trace the issue with our IT team, but not sure if it has something to do with some of our modules, or something with the item/database link that might not be connected. If anybody had anything similar happen to them and has some tips would be most useful.
Sanjin

It’s probably not a connection issue since the rest of the site works. A module is certainly a possibility, but you didn’t include the part of the system information page that lists your installed modules.

A simple check on whether modules are your issue: just disable them all and see if the problem persists. If it doesn’t, you can narrow down to which is the culprit by re-enabling them one by one.

Thanks a lot for taking the time to respond. It turns out that it was something within our IT set up, the server mappings were disconnected and now it is all back. Turns out it wasnot a module. Thanks again