phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table '.\head_f\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 ('8cbfd53a248b04dea41319c8f28bd028', -1, 1542257008, 1542257008, '369052d8', 0, 0, 0)

Line : 187
File : sessions.php