Fatal error: Uncaught Error: Call to undefined function IncludeModuleLangFile() in /home/bitrix/www/decode/esol.importexportexcel/install/demo.php:2
Stack trace:
#0 /home/bitrix/www/decode/esol.importexportexcel/include.php(2): include_once()
#1 {main}
thrown in /home/bitrix/www/decode/esol.importexportexcel/install/demo.php on line 2