Most common reason for such error is too old PHP version.
What is required version?
since ~year we ask for 5.3 or higher. Since Jigoshop 1.9 we start using functions that are available only in PHP 5.3 and higher to make code even better and faster.
How to update
- Check your hosting admin panel. Usually there is option to upgrade PHP
- Contact your hosting provider. They should be able to upgrade fast.
What if it doesn't help?
Please send us your problem description straight to email@example.com and we'll try to help you as soon as possible.