Thanks - here's what I discovered:
MODULE TITLE: about
#0 include() called at [
\z2018\UniServerZ\www\cancer\libraries\src\Helper\ModuleHelper.php:200]
#1 Joomla\CMS\Helper\ModuleHelper::renderModule() called at [
\z2018\UniServerZ\www\cancer\libraries\src\Document\Renderer\Html\ModuleRenderer.php:98]
#2 Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Replace.php:593]
#3 RegularLabs\Plugin\System\ModulesAnywhere\Replace::processModule() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Replace.php:333]
#4 RegularLabs\Plugin\System\ModulesAnywhere\Replace::processMatch() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Replace.php:220]
#5 RegularLabs\Plugin\System\ModulesAnywhere\Replace::replaceMatches() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Replace.php:202]
#6 RegularLabs\Plugin\System\ModulesAnywhere\Replace::replace() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Replace.php:157]
#7 RegularLabs\Plugin\System\ModulesAnywhere\Replace::processModules() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Helper.php:81]
#8 RegularLabs\Plugin\System\ModulesAnywhere\Helper->processModules()
#9 call_user_func_array() called at [
\z2018\UniServerZ\www\cancer\libraries\regularlabs\src\Article.php:226]
#10 RegularLabs\Library\Article::processText() called at [
\z2018\UniServerZ\www\cancer\libraries\regularlabs\src\Article.php:209]
#11 RegularLabs\Library\Article::process() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Helper.php:31]
#12 RegularLabs\Plugin\System\ModulesAnywhere\Helper->onContentPrepare()
#13 call_user_func_array() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\src\Plugin.php:97]
#14 RegularLabs\Plugin\System\ModulesAnywhere\Plugin->run() called at [
\z2018\UniServerZ\www\cancer\plugins\system\modulesanywhere\modulesanywhere.php:49]
#15 PlgSystemModulesAnywhere->onContentPrepare() called at [
\z2018\UniServerZ\www\cancer\libraries\joomla\event\event.php:70]
#16 JEvent->update() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\helpers\dispatcher.php:172]
#17 FCDispatcher->trigger() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\classes\flexicontent.fields.php:1060]
#18 FlexicontentFields::triggerContentPlugins() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\classes\flexicontent.fields.php:885]
#19 FlexicontentFields::renderField() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\classes\flexicontent.fields.php:1166]
#20 FlexicontentFields::renderPositions() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\classes\flexicontent.fields.php:164]
#21 FlexicontentFields::getFields() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\views\item\view.html.php:196]
#22 FlexicontentViewItem->display() called at [
\z2018\UniServerZ\www\cancer\libraries\src\MVC\Controller\BaseController.php:672]
#23 Joomla\CMS\MVC\Controller\BaseController->display() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\controller.php:1222]
#24 FlexicontentController->display() called at [
\z2018\UniServerZ\www\cancer\libraries\src\MVC\Controller\BaseController.php:710]
#25 Joomla\CMS\MVC\Controller\BaseController->execute() called at [
\z2018\UniServerZ\www\cancer\components\com_flexicontent\flexicontent.php:266]
#26 require_once(
\z2018\UniServerZ\www\cancer\components\com_flexicontent\flexicontent.php) called at [
\z2018\UniServerZ\www\cancer\libraries\src\Component\ComponentHelper.php:402]
#27 Joomla\CMS\Component\ComponentHelper::executeComponent() called at [
\z2018\UniServerZ\www\cancer\libraries\src\Component\ComponentHelper.php:377]
#28 Joomla\CMS\Component\ComponentHelper::renderComponent() called at [
\z2018\UniServerZ\www\cancer\libraries\src\Application\SiteApplication.php:194]
#29 Joomla\CMS\Application\SiteApplication->dispatch() called at [
\z2018\UniServerZ\www\cancer\libraries\src\Application\SiteApplication.php:233]
#30 Joomla\CMS\Application\SiteApplication->doExecute() called at [
\z2018\UniServerZ\www\cancer\libraries\src\Application\CMSApplication.php:196]
#31 Joomla\CMS\Application\CMSApplication->execute() called at [
\z2018\UniServerZ\www\cancer\index.php:49]