1064 You have an error in your SQL Syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ','2018-07-19 10:50:05','2018-08-04 18:00:00')' at line 1

I have just installed Master League on my Joomla website. Now when i try to send a Query to insert matches I get the following error. I have no idea what it means. Is it possible for me to solve this problem?