Not sure how you came to that conclusion. Nothing in the errors mentions community map. Example:
DomainException::0
#0 /system/Helpers/Form/Upload.php(748): IPS\_File::createFromUploads('core_Attachment', NULL, Array, 1.46484375, 0.14474964141846, 0, Object(Closure), NULL, true)
#1 /system/Helpers/Form/Upload.php(305): IPS\Helpers\Form\_Upload->processUploads()
#2 /system/Helpers/Form/Editor.php(716): IPS\Helpers\Form\_Upload->__construct('topic_comment_1...', Array, false, Array)
#3 /system/Helpers/Form/Editor.php(176): IPS\Helpers\Form\_Editor->getUploader('topic_comment_1...')
#4 /system/Content/Item.php(4745): IPS\Helpers\Form\_Editor->__construct('topic_comment_1...', NULL, true, Array, Object(Closure))
#5 /system/Content/Item.php(4535): IPS\Content\_Item->commentFormElements()
#6 /uploads/template_26_7a734b11232065691bc1176040cb26ad_topics.php(5188): IPS\Content\_Item->commentForm()
#7 /system/Theme/SandboxedTemplate.php(61): IPS\Theme\Cache\class_forums_front_topics->topic(Object(IPS\forums\Topic), Array, NULL, Array, true, '\n\n\n\t\n\t<ul class...', Array)
#8 /applications/forums/modules/front/forums/topic.php(553): IPS\Theme\_SandboxedTemplate->__call('topic', Array)
#9 /system/Dispatcher/Controller.php(101): IPS\forums\modules\front\forums\_topic->manage()
#10 /system/Content/Controller.php(50): IPS\Dispatcher\_Controller->execute()
#11 /applications/forums/modules/front/forums/topic.php(39): IPS\Content\_Controller->execute()
#12 /system/Dispatcher/Dispatcher.php(153): IPS\forums\modules\front\forums\_topic->execute()
#13 /index.php(13): IPS\_Dispatcher->run()
#14 {main}