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Warning: Trying to access array offset on value of type null in D:\webserv\archsu\iwch\libraries\src\Updater\Updater.php on line 361

Warning: Undefined property: Joomla\CMS\Table\Extension::$manifest_cache in D:\webserv\archsu\iwch\libraries\src\Updater\Updater.php on line 359

Warning: Trying to access array offset on value of type null in D:\webserv\archsu\iwch\libraries\src\Updater\Updater.php on line 361

Fatal error: Type of JException::$file must be string (as in class Exception) in D:\webserv\archsu\iwch\libraries\legacy\exception\exception.php on line 18