CRITICAL_ERROR:
Line 287 /data/www/com.ua/standartpribor/class2.php

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

CRITICAL_ERROR:
Line 289 /data/www/com.ua/standartpribor/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.