Here are the errors that I see a few hours after disabling UIX. It's not a timing thing
@mattrogowski. I'm well seasoned to uninstall runtime issues over the years

These are regularly accumulating. I saw some generated by threads also yesterday which was super interesting given none of my TH themes are active or open to users (and I didn't generate them either).
I'm thinking don't disable and just outright uninstall UIX?
Error 1:
- TypeError: Template public:setup_custom.less error: Unsupported operand types: string + string
- internal_data/code_cache/templates/l1/s7/public/setup_custom.less.php:26
- Generated by: Unknown account
- Dec 3, 2024 at 7:33 AM
Stack trace
#0 src/XF/Template/Templater.php(1800): XF\Template\Templater->{closure}(Object(XF\Mail\Templater), Array, NULL)
#1 src/XF/Template/Templater.php(1874): XF\Template\Templater->renderTemplate('setup_custom.le...', Array)
#2 internal_data/code_cache/templates/l1/s7/public/setup.less.php(1038): XF\Template\Templater->includeTemplate('public:setup_cu...', Array)
#3 src/XF/Template/Templater.php(1800): XF\Template\Templater->{closure}(Object(XF\Mail\Templater), Array, NULL)
#4 src/XF/CssRenderer.php(766): XF\Template\Templater->renderTemplate('setup.less', Array)
#5 src/XF/CssRenderer.php(426): XF\CssRenderer->getLessPrepend()
#6 src/XF/CssRenderer.php(371): XF\CssRenderer->renderToCss('email:core.less', '// NOTE: THIS D...')
#7 src/XF/CssRenderer.php(279): XF\CssRenderer->renderTemplate('email:core.less', NULL)
#8 src/XF/CssRenderer.php(135): XF\CssRenderer->renderTemplates(Array, Array, Array)
#9 src/XF/Mail/Styler.php(70): XF\CssRenderer->render(Array, false)
#10 src/XF/Mail/Styler.php(57): XF\Mail\Styler->renderCoreCss()
#11 src/XF/Mail/Styler.php(31): XF\Mail\Styler->getEmailCss(Object(XF\Language))
#12 src/XF/Mail/Mailer.php(202): XF\Mail\Styler->styleHtml('<!DOCTYPE html>...', true, Object(XF\Language))
#13 src/addons/DigitalPoint/Analytics/XF/Mail/Mailer.php(35): XF\Mail\Mailer->renderMailTemplate('payment_receive...', Array, Object(XF\Language), Object(Andrew\ModeratorPanel\XF\Entity\User))
#14 src/XF/Mail/Mail.php(420): DigitalPoint\Analytics\XF\Mail\Mailer->renderMailTemplate('payment_receive...', Array, Object(XF\Language), Object(Andrew\ModeratorPanel\XF\Entity\User))
#15 src/XF/Mail/Mail.php(492): XF\Mail\Mail->renderTemplate()
#16 src/XF/Mail/Mail.php(568): XF\Mail\Mail->getSendableEmail()
#17 src/XF/Purchasable/AbstractPurchasable.php(170): XF\Mail\Mail->send()
#18 src/addons/ThemeHouse/Monetize/XF/Purchasable/UserUpgrade.php(94): XF\Purchasable\AbstractPurchasable->sendPaymentReceipt(Object(XF\Payment\CallbackState))
#19 src/XF/Payment/AbstractProvider.php(215): ThemeHouse\Monetize\XF\Purchasable\UserUpgrade->sendPaymentReceipt(Object(XF\Payment\CallbackState))
#20 payment_callback.php(67): XF\Payment\AbstractProvider->completeTransaction(Object(XF\Payment\CallbackState))
#21 {main}
Request state
array(4) {
["url"] => string(40) "/payment_callback.php?_xfProvider=stripe"
["referrer"] => bool(false)
["_GET"] => array(1) {
["_xfProvider"] => string(6) "stripe"
}
["_POST"] => array(0) {
}
}
Error 2:
- ErrorException: Template error: [E_USER_WARNING] Function uix_intval is unknown
- src/XF/Template/Templater.php:1198
- Generated by: Unknown account
- Dec 3, 2024 at 7:33 AM
Stack trace
#0 [internal function]: XF\Template\Templater->handleTemplateError(512, '[E_USER_WARNING...', '/home/nginx/dom...', 1198)
#1 src/XF/Template/Templater.php(1198): trigger_error('Function uix_in...', 512)
#2 internal_data/code_cache/templates/l1/s7/public/setup_custom.less.php(26): XF\Template\Templater->func('uix_intval', Array, false)
#3 src/XF/Template/Templater.php(1800): XF\Template\Templater->{closure}(Object(XF\Mail\Templater), Array, NULL)
#4 src/XF/Template/Templater.php(1874): XF\Template\Templater->renderTemplate('setup_custom.le...', Array)
#5 internal_data/code_cache/templates/l1/s7/public/setup.less.php(1038): XF\Template\Templater->includeTemplate('public:setup_cu...', Array)
#6 src/XF/Template/Templater.php(1800): XF\Template\Templater->{closure}(Object(XF\Mail\Templater), Array, NULL)
#7 src/XF/CssRenderer.php(766): XF\Template\Templater->renderTemplate('setup.less', Array)
#8 src/XF/CssRenderer.php(426): XF\CssRenderer->getLessPrepend()
#9 src/XF/CssRenderer.php(371): XF\CssRenderer->renderToCss('email:core.less', '// NOTE: THIS D...')
#10 src/XF/CssRenderer.php(279): XF\CssRenderer->renderTemplate('email:core.less', NULL)
#11 src/XF/CssRenderer.php(135): XF\CssRenderer->renderTemplates(Array, Array, Array)
#12 src/XF/Mail/Styler.php(70): XF\CssRenderer->render(Array, false)
#13 src/XF/Mail/Styler.php(57): XF\Mail\Styler->renderCoreCss()
#14 src/XF/Mail/Styler.php(31): XF\Mail\Styler->getEmailCss(Object(XF\Language))
#15 src/XF/Mail/Mailer.php(202): XF\Mail\Styler->styleHtml('<!DOCTYPE html>...', true, Object(XF\Language))
#16 src/addons/DigitalPoint/Analytics/XF/Mail/Mailer.php(35): XF\Mail\Mailer->renderMailTemplate('payment_receive...', Array, Object(XF\Language), Object(Andrew\ModeratorPanel\XF\Entity\User))
#17 src/XF/Mail/Mail.php(420): DigitalPoint\Analytics\XF\Mail\Mailer->renderMailTemplate('payment_receive...', Array, Object(XF\Language), Object(Andrew\ModeratorPanel\XF\Entity\User))
#18 src/XF/Mail/Mail.php(492): XF\Mail\Mail->renderTemplate()
#19 src/XF/Mail/Mail.php(568): XF\Mail\Mail->getSendableEmail()
#20 src/XF/Purchasable/AbstractPurchasable.php(170): XF\Mail\Mail->send()
#21 src/addons/ThemeHouse/Monetize/XF/Purchasable/UserUpgrade.php(94): XF\Purchasable\AbstractPurchasable->sendPaymentReceipt(Object(XF\Payment\CallbackState))
#22 src/XF/Payment/AbstractProvider.php(215): ThemeHouse\Monetize\XF\Purchasable\UserUpgrade->sendPaymentReceipt(Object(XF\Payment\CallbackState))
#23 payment_callback.php(67): XF\Payment\AbstractProvider->completeTransaction(Object(XF\Payment\CallbackState))
#24 {main}
Request state
array(4) {
["url"] => string(40) "/payment_callback.php?_xfProvider=stripe"
["referrer"] => bool(false)
["_GET"] => array(1) {
["_xfProvider"] => string(6) "stripe"
}
["_POST"] => array(0) {
}
}
ERROR 3:
- XF\CssRenderException: Error rendering template public:uix_extendedFooter.less: .m-pageWidth is undefined in public:uix_extendedFooter.less (on or near line 1150)
- src/XF/CssRenderException.php:89
- Generated by: Unknown account
- Dec 3, 2024 at 6:50 AM
Stack trace
1147 |
1148 | .pageContent {
1149 |
1150| .m-pageWidth();
1151 |
1152 | padding:0;
1153 |
------------
#0 src/XF/CssRenderer.php(435): XF\CssRenderException::createFromLessException(Object(Less_Exception_Compiler), 'public:uix_exte...', '// Note that th...')
#1 src/XF/CssRenderer.php(371): XF\CssRenderer->renderToCss('public:uix_exte...', '// Note that th...')
#2 src/XF/CssRenderer.php(279): XF\CssRenderer->renderTemplate('public:uix_exte...', NULL)
#3 src/XF/CssRenderer.php(135): XF\CssRenderer->renderTemplates(Array, Array, Array)
#4 src/XF/CssWriter.php(60): XF\CssRenderer->render(Array)
#5 css.php(32): XF\CssWriter->run(Array, 7, 1, 'b7871e69b6cd120...')
#6 {main}
-------------
Previous Less_Exception_Compiler: .m-pageWidth is undefined in anonymous-file-5235.less - src/vendor/oyejorge/less.php/lib/Less/Tree/Mixin/Call.php:149
#0 src/vendor/oyejorge/less.php/lib/Less/Tree/Ruleset.php(147): Less_Tree_Mixin_Call->compile(Object(Less_Environment))
#1 src/vendor/oyejorge/less.php/lib/Less/Tree/Ruleset.php(90): Less_Tree_Ruleset->EvalMixinCalls(Object(Less_Tree_Ruleset), Object(Less_Environment), 2)
#2 src/vendor/oyejorge/less.php/lib/Less/Tree/Ruleset.php(95): Less_Tree_Ruleset->compile(Object(Less_Environment))
#3 src/vendor/oyejorge/less.php/lib/Less/Tree/Ruleset.php(95): Less_Tree_Ruleset->compile(Object(Less_Environment))
#4 src/vendor/oyejorge/less.php/lib/Less/Parser.php(181): Less_Tree_Ruleset->compile(Object(Less_Environment))
#5 src/XF/CssRenderer.php(431): Less_Parser->getCss()
#6 src/XF/CssRenderer.php(371): XF\CssRenderer->renderToCss('public:uix_exte...', '// Note that th...')
#7 src/XF/CssRenderer.php(279): XF\CssRenderer->renderTemplate('public:uix_exte...', NULL)
#8 src/XF/CssRenderer.php(135): XF\CssRenderer->renderTemplates(Array, Array, Array)
#9 src/XF/CssWriter.php(60): XF\CssRenderer->render(Array)
#10 css.php(32): XF\CssWriter->run(Array, 7, 1, 'b7871e69b6cd120...')
#11 {main}
Request state
array(4) {
["url"] => string(567) "/css.php?css=public%3Aalnb_navigation.less%2Cpublic%3Aeditor.less%2Cpublic%3Amessage.less%2Cpublic%3Anotices.less%2Cpublic%3Aozzmodz_badges.less%2Cpublic%3Aozzmodz_badges_featured_badges.less%2Cpublic%3Ashare_controls.less%2Cpublic%3AsvAlertImprovements.less%2Cpublic%3Ath_covers.less%2Cpublic%3Ath_nodeStyling_nodes.7.less%2Cpublic%3Ath_uix_threadStarterPost.less%2Cpublic%3Athstyleswitch.less%2Cpublic%3Auix.less%2Cpublic%3Auix_extendedFooter.less%2Cpublic%3Auix_socialMedia.less%2Cpublic%3Aextra.less&s=7&l=1&d=1717121498&k=b7871e69b6cd120fd7fd307163bc048be14a4514"
["referrer"] => bool(false)
["_GET"] => array(5) {
["css"] => string(428) "public:alnb_navigation.less,public:editor.less,public:message.less,public:notices.less,public

zzmodz_badges.less,public

zzmodz_badges_featured_badges.less,public:share_controls.less,public:svAlertImprovements.less,public:th_covers.less,public:th_nodeStyling_nodes.7.less,public:th_uix_threadStarterPost.less,public:thstyleswitch.less,public:uix.less,public:uix_extendedFooter.less,public:uix_socialMedia.less,public:extra.less"
["s"] => string(1) "7"
["l"] => string(1) "1"
["d"] => string(10) "1717121498"
["k"] => string(40) "b7871e69b6cd120fd7fd307163bc048be14a4514"
}
["_POST"] => array(0) {
}
}
ERROR 4:
- TypeError: Template public:setup_custom.less error: Unsupported operand types: string + string
- internal_data/code_cache/templates/l1/s7/public/setup_custom.less.php:26
- Generated by: Unknown account
- Dec 3, 2024 at 6:52 AM
Stack trace
#0 src/XF/Template/Templater.php(1800): XF\Template\Templater->{closure}(Object(SV\StandardLib\XF\Template\Templater), Array, NULL)
#1 src/XF/Template/Templater.php(1874): XF\Template\Templater->renderTemplate('setup_custom.le...', Array)
#2 internal_data/code_cache/templates/l1/s7/public/setup.less.php(1038): XF\Template\Templater->includeTemplate('public:setup_cu...', Array)
#3 src/XF/Template/Templater.php(1800): XF\Template\Templater->{closure}(Object(SV\StandardLib\XF\Template\Templater), Array, NULL)
#4 src/XF/CssRenderer.php(766): XF\Template\Templater->renderTemplate('setup.less', Array)
#5 src/XF/CssRenderer.php(426): XF\CssRenderer->getLessPrepend()
#6 src/XF/CssRenderer.php(371): XF\CssRenderer->renderToCss('public:core.les...', 'iframe[data-s9e...')
#7 src/XF/CssRenderer.php(279): XF\CssRenderer->renderTemplate('public:core.les...', NULL)
#8 src/XF/CssRenderer.php(135): XF\CssRenderer->renderTemplates(Array, Array, Array)
#9 src/XF/CssWriter.php(60): XF\CssRenderer->render(Array)
#10 css.php(32): XF\CssWriter->run(Array, 7, 1, 'b3f3e112884f0d6...')
#11 {main}
Request state
array(4) {
["url"] => string(161) "/css.php?css=public%3Anormalize.css%2Cpublic%3Afa.css%2Cpublic%3Acore.less%2Cpublic%3Aapp.less%2C&s=7&l=1&d=1717121498&k=b3f3e112884f0d62be0c9179d65beb19302ee635"
["referrer"] => bool(false)
["_GET"] => array(5) {
["css"] => string(68) "public:normalize.css,public:fa.css,public:core.less,public:app.less,"
["s"] => string(1) "7"
["l"] => string(1) "1"
["d"] => string(10) "1717121498"
["k"] => string(40) "b3f3e112884f0d62be0c9179d65beb19302ee635"
}
["_POST"] => array(0) {
}
}