phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dostscho_mysql/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('dc6b9005ea73f1576f5a9388c696bdbc', -1, 1526977441, 1526977441, '36c45659', -4, 0, 0)

Line : 187
File : sessions.php