#0 wire/core/TemplateFile.php (287): require()
#1 wire/core/Wire.php (380): TemplateFile->___render()
#2 wire/core/WireHooks.php (823): Wire->_callMethod('___render', Array)
#3 wire/core/Wire.php (450): WireHooks->runHooks(Object(TemplateFile), 'render', Array)
#4 wire/modules/PageRender.module (536): Wire->__call('render', Array)
#5 wire/core/Wire.php (383): PageRender->___renderPage(Object(HookEvent))
#6 wire/core/WireHooks.php (823): Wire->_callMethod('___renderPage', Array)
#7 wire/core/Wire.php (450): WireHooks->runHooks(Obje (line 24 of site/templates/reference.php)

This error message was shown because: site is in debug mode. ($config->debug = true; => site/config.php). Error has been logged.