Hello,
Thanks for letting us know.
Please note that our theme doesn’t affect speed of WP Dashboard.
Fatal errors were caused by tests, but now all should be fine.
If you have any other questions, please submit a new topic – https://www.8theme.com/forums/xstore-wordpress-support-forum/
Regards
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.