An error of type E_ERROR

Hi,

Review reminders are not being sent. We have this error coming up:

An error of type E_ERROR was caused in line 74 of the file /home/rapideco/public_html/wp-content/plugins/yith-woocommerce-review-reminder/plugin-fw/templates/sysinfo/system-information-panel.php. Error message: Allowed memory size of 268435456 bytes exhausted (tried to allocate 268435456 bytes)

Hope you can help?