Exception on category page in Craft 3.7

[daltonrooney]

When trying to access a category page with Element Map enabled

yii\base\ErrorException: Trying to access array offset on value of type null in /home/userwebapps/project/releases//craft/vendor/charliedev/element-map/src/ElementMap.php:113
Stack trace:
#0 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/ErrorHandler.php(75): yii\base\ErrorHandler->handleError()
#1 /home/userwebapps/project/releases//craft/vendor/charliedev/element-map/src/ElementMap.php(113): craft\web\ErrorHandler->handleError()
#2 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/View.php(1659): charliedev\elementmap\ElementMap->renderCategoryElementMap()
#3 /home/userwebapps/project/releases//craft/storage/runtime/compiled_templates/3f/3ffbf54cd96dbaf8e1061d96752bd6c28e328aabf16fde5bc59875b347e4b0c0.php(156): craft\web\View->invokeHook()
#4 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(182): __TwigTemplate_26b9998fe838ee494380567d2a07b1a9ba131fb7552c8d6106b88a519a447fff->block_details()
#5 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(254): Twig\Template->displayBlock()
#6 /home/userwebapps/project/releases//craft/storage/runtime/compiled_templates/6f/6ff023b0403fdc1c8dff6cac7c5a927975992ae5e30ec7f180e312dc61fd8bd0.php(101): Twig\Template->renderBlock()
#7 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(405): __TwigTemplate_48f6c2ff9894758923c915b19331ab8c426302742cd27c8d0f28ff7cabd451f5->doDisplay()
#8 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling()
#9 /home/userwebapps/project/releases//craft/storage/runtime/compiled_templates/69/69668b06eb783202d928cec83d5a40657972b038ddadadf42c37588f42a16e5e.php(342): Twig\Template->display()
#10 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(405): __TwigTemplate_a83a5e41c626b6bf06db505f0dd4ff85bcc2e3baf445615bf8304028e73f49ba->doDisplay()
#11 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling()
#12 /home/userwebapps/project/releases//craft/storage/runtime/compiled_templates/3f/3ffbf54cd96dbaf8e1061d96752bd6c28e328aabf16fde5bc59875b347e4b0c0.php(77): Twig\Template->display()
#13 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(405): __TwigTemplate_26b9998fe838ee494380567d2a07b1a9ba131fb7552c8d6106b88a519a447fff->doDisplay()
#14 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling()
#15 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Template.php(390): Twig\Template->display()
#16 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/TemplateWrapper.php(45): Twig\Template->render()
#17 /home/userwebapps/project/releases//craft/vendor/twig/twig/src/Environment.php(318): Twig\TemplateWrapper->render()
#18 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/View.php(408): Twig\Environment->render()
#19 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/View.php(461): craft\web\View->renderTemplate()
#20 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/Controller.php(257): craft\web\View->renderPageTemplate()
#21 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/controllers/CategoriesController.php(401): craft\web\Controller->renderTemplate()
#22 [internal function]: craft\controllers\CategoriesController->actionEditCategory()
#23 /home/userwebapps/project/releases//craft/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array()
#24 /home/userwebapps/project/releases//craft/vendor/yiisoft/yii2/base/Controller.php(181): yii\base\InlineAction->runWithParams()
#25 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/Controller.php(190): yii\base\Controller->runAction()
#26 /home/userwebapps/project/releases//craft/vendor/yiisoft/yii2/base/Module.php(534): craft\web\Controller->runAction()
#27 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/Application.php(276): yii\base\Module->runAction()
#28 /home/userwebapps/project/releases//craft/vendor/yiisoft/yii2/web/Application.php(104): craft\web\Application->runAction()
#29 /home/userwebapps/project/releases//craft/vendor/craftcms/cms/src/web/Application.php(261): yii\web\Application->handleRequest()
#30 /home/userwebapps/project/releases//craft/vendor/yiisoft/yii2/base/Application.php(392): craft\web\Application->handleRequest()
#31 /home/userwebapps/project/releases//public/index.php(21): yii\base\Application->run()
#32 {main}