CRITICAL_ERROR:
Line 304 /home/free/ic.cz/h/hasiciuncin/root/www/class2.php

Error reported as: [3]: Core settings saved - backup made active.

CRITICAL_ERROR:
Line 306 /home/free/ic.cz/h/hasiciuncin/root/www/class2.php

Error reported as: [4]: No core backup found. Please run the Reset_Core utility to rebuild your core settings.
After rebuilding your core please save a backup from the admin/sql screen.