[TypeError] 
call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method MyForm::my_OnBeforeEventSend() cannot be called statically (0)
/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/classes/general/module.php:465
#0: ExecuteModuleEventEx(array, array)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/lib/mail/event.php:230
#1: Bitrix\Main\Mail\Event::handleEvent(array)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/lib/mail/eventmanager.php:153
#2: Bitrix\Main\Mail\EventManager::executeEvents()
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/lib/mail/eventmanager.php:36
#3: Bitrix\Main\Mail\EventManager::checkEvents()
	
#4: call_user_func_array(array, array)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/lib/application.php:715
#5: Bitrix\Main\Application->runBackgroundJobs()
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/lib/application.php:304
#6: Bitrix\Main\Application->terminate(integer)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/lib/application.php:271
#7: Bitrix\Main\Application->end()
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/classes/general/main.php:3480
#8: CAllMain::FinalActions(string)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/include/epilog_admin_after.php:52
#9: require(string)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/include/epilog_admin.php:5
#10: include(string)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/classes/general/main.php:314
#11: CAllMain->AuthForm(boolean)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/include.php:566
#12: require_once(string)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/include/prolog_admin_before.php:34
#13: require_once(string)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/modules/main/interface/desktop.php:2
#14: require(string)
	/var/www/u1389725/data/www/xn--80ab1amccbm0f.xn--p1ai/bitrix/admin/index.php:2
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