I can’t narrow this to a certain extension but I have some random errors in my logs
PHP Warning: Creating default object from empty value in /wp-content/plugins/mainwp/class/class-mainwp-system-handler.php on line 437
PHP Notice: Only variables should be passed by reference in /wp-content/plugins/mainwp/class/class-mainwp-utility.php on line 923
### Server Info Required Detected Status ###
MainWP Dashboard
MainWP Dashboard Version 4.1.6 4.1.6 Pass
MainWP Upload Directory Writable Writable Pass
MainWP Extensions
Activity Log for MainWP 1.7.0
Advanced Uptime Monitor Extension 5.1.2 API License Active Pass
Boilerplate Extension 4.0.2.1 API License Active Pass
MainWP BackWPup Extension 4.0.3 API License Active Pass
MainWP Branding Extension 4.0.2.1 API License Active Pass
MainWP Broken Links Checker Extension4.0.0.3 API License Active Pass
MainWP Bulk Settings Manager Extension4.0.2.1 API License Active Pass
MainWP Clean and Lock Extension 4.0.1.1 API License Active Pass
MainWP Clone Extension 4.0.1 API License Active Pass
MainWP Code Snippets Extension 4.0.1 API License Active Pass
MainWP Comments Extension 4.0.3 API License Active Pass
MainWP Custom Dashboard Extension 4.0.2 API License Active Pass
MainWP Favorites Extension 4.0.5 API License Active Pass
MainWP File Uploader Extension 4.0.1 API License Active Pass
MainWP Google Analytics Extension 4.0.3.1 API License Active Pass
MainWP Maintenance Extension 4.0.2.1 API License Active Pass
MainWP Post Plus Extension 4.0.2.1 API License Active Pass
MainWP Pro Reports Extension 4.0.6 API License Active Pass
MainWP Team Control 4.0.1.1 API License Active Pass
MainWP UpdraftPlus Extension 4.0.4 API License Active Pass
MainWP WooCommerce Status Extension4.0.6 API License Active Pass
WordPress
WordPress Version >=3.6 5.7.2 Pass
WordPress Memory Limit >=64M 512M Pass
MultiSite Disabled =true true Pass
FileSystem Method = direct direct Pass
PHP
PHP Version >=5.6 7.4.18 Pass
PHP Safe Mode Disabled =true true Pass
PHP Max Execution Time >=30 seconds 300 Pass
PHP Max Input Time >=30 seconds 60 Pass
PHP Memory Limit >=128M 512M Pass
PCRE Backtracking Limit >=10000 1000000 Pass
PHP Upload Max Filesize >=2M 128M Pass
PHP Post Max Size >=2M 128M Pass
SSL Extension Enabled =true true Pass
SSL Warnings = empty Pass
cURL Extension Enabled =true true Pass
cURL Timeout >=300 seconds 300 Pass
cURL Version >=7.18.1 7.58.0 Pass
cURL SSL Version >=OpenSSL/0.9.8l OpenSSL/1.1.1 Pass
PHP Allow URL fopen YES
PHP Exif Support YES ( V7.4.)
PHP IPTC Support YES
PHP XML Support YES
PHP Disabled Functions , pcntl_alarm, pcntl_async_signals, pcntl_exec, pcntl_fork, pcntl_get_last_error, pcntl_getpriority, pcntl_setpriority, pcntl_signal, pcntl_signal_dispatch, pcntl_signal_get_handler, pcntl_sigprocmask, pcntl_sigtimedwait, pcntl_sigwaitinfo, pcntl_strerror, pcntl_unshare, pcntl_wait, pcntl_waitpid, pcntl_wexitstatus, pcntl_wifcontinued, pcntl_wifexited, pcntl_wifsignaled, pcntl_wifstopped, pcntl_wstopsig, pcntl_wtermsig,
PHP Loaded Extensions Core, FFI, PDO, Phar, Reflection, SPL, SimpleXML, Zend OPcache, bcmath, calendar, cgi-fcgi, ctype, curl, date, dom, exif, fileinfo, filter, ftp, gd, gettext, gmp, hash, iconv, igbinary, imagick, imap, intl, json, libxml, mbstring, mysqli, mysqlnd, openssl, pcre, pdo_mysql, pdo_sqlite, posix, readline, redis, session, shmop, soap, sockets, sodium, sqlite3, standard, sysvmsg, sysvsem, sysvshm, tidy, tokenizer, xml, xmlreader, xmlrpc, xmlwriter, xsl, zip, zlib
MySQL
MySQL Version >=5.0 8.0.23-14 Pass
MySQL Mode ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
MySQL Client Encoding utf8
Server Info
Server Software nginx/1.16.1
Operating System Linux
Architecture 64 bit
Server Protocol HTTP/1.1
HTTPS ON
Server self connect Not expected HTTP response body:
User Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0
Gateway Interface CGI/1.1
Memory Usage 10.05 MB
Request Time 1623946687
Accept Content text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Charset Content N/A
MainWP Settings
Number Of Child Sites 54
Use WP-Cron Yes
Optimize for Shared Hosting or Big NetworksYes
Automatic Daily Update Install trusted updates
Abandoned Plugins/Themes Tolerance 366
Maximum number of posts to return 50
Maximum number of pages to return 50
Maximum Number of Comments 50
Primary Backup System MainWP BackWPup Extension
Maximum simultaneous requests 8
Minimum delay between requests 200
Maximum simultaneous requests per ip8
Minimum delay between requests to the same ip500
Maximum simultaneous sync requests 10
Minimum simultaneous install/update requests3
Active Plugins
Activity Log for MainWP 1.7.0 Active
BackWPup 3.9.0 Active
MainWP Broken Links Checker Extension4.0.0.3 Active
MainWP Child 4.1.6.1 Active
MainWP Dashboard 4.1.6 Active
MalCare Security - Free Malware Scanner, Protection & Security for WordPress4.61 Active
Query Monitor 3.7.1 Active
Typemarker 1.4.0 Active
WP 2FA - Two-factor authentication for WordPress1.6.2 Active
WP Crontrol 1.10.0 Active
WP fail2ban 4.3.0.9 Inactive