phpBB debug?

Device:
Browser: firefox 93.0
OS: win10

Steps to reproduce:

Anything else to add:
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/toxyy/shortnumbertwig/template/twig/extension/short_number_twig'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/model/CleantalkSFW'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/model/main_model'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/model/Cleantalk'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/model/CleantalkRequest'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbseo/usu/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbseo/usu/core/core'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbseo/usu/core/traits/customise'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbseo/usu/core/traits/rewriter'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbseo/usu/core/traits/url'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbseo/usu/core/traits/seo'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbseo/usu/core/traits/get_set'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbmodders/banhammer/event/banhammer_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbbmodders/banhammer/core/bantime'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/alfredoramos/simplespoiler/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/alfredoramos/simplespoiler/includes/helper'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/anavaro/postlove/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/david63/loginredirect/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/david63/loginredirect/core/functions'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/david63/loginredirect/controller/main_controller'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/david63/loginredirect/controller/main_interface'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/dmzx/formcreator/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/flerex/linkedaccounts/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/flerex/linkedaccounts/service/linking_service'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/flerex/linkedaccounts/service/auth_service'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/gfksx/ThanksForPosts/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/gfksx/ThanksForPosts/core/helper'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/javiexin/advancedpf/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/kinerity/bestanswer/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/lmdi/autolinks/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/marttiphpbb/grouptempvars/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/paul999/mention/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbb/autogroups/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbb/autogroups/conditions/manager'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/pikaron/nodeaemails/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/pikaron/nodeaemails/core/functions_nodeaemails'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/primehalo/primepostrevisions/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/primehalo/primepostrevisions/core/prime_post_revisions'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/sheer/postbookmark/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/shredder/sitemap/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/siava/sessionkeys/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/controller/main_controller'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/actions/auth'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/actions/currency'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/entity/currency'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/entity/main'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/actions/locale_icu'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/operators/currency'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/skouat/ppde/controller/main_display_stats'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/sniper/tables/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/toxyy/shortnumbertwig/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/dark1/memberavatarstatus/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/dark1/memberavatarstatus/core/avatar'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/dark1/memberavatarstatus/core/status'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/rmcgirr83/elonw/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/senky/relativedates/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/alfredoramos/seometadata/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/alfredoramos/seometadata/includes/helper'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/anavaro/postlove/event/summary_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbb/googleanalytics/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/senky/relativedates/relativedatetime'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/senky/relativedates/relativetranslator'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/dark1/memberavatarstatus/event/viewonline_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/rmcgirr83/separateusersandbots/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/alg/liveSearch/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbb/boardannouncements/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4166: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3009)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4166: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3009)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4166: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3009)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4166: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3009)
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/cron/task/cleantalk_antispam_sfw_logs_send'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/cron/task/cleantalk_antispam_sfw_update'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/cleantalk/antispam/cron/task/cleantalk_antispam_check_payment_status'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/crizzo/ipanonym/cron/anonymise_ip'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/crizzo/ipanonym/cron/task/task_anonymise'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/david63/autodbbackup/cron/task/auto_db_backup'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/david63/autodbbackup/core/functions'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbb/autogroups/cron/autogroups_check'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbb/mediaembed/cron/purge_cache'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/phpbb/mediaembed/cache/cache'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/pikaron/nodeaemails/cron/task/nodeaemails_cron'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/primehalo/primepostrevisions/cron/task/prune_post_revisions'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/dark1/memberavatarstatus/event/viewforum_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/kasimi/releasedatestemplatevariables/event/main_listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/marttiphpbb/allusersgroupstempvars/event/listener'
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 133: Illegal string offset '/marttiphpbb/paramtempvars/event/listener'