phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('a4f5177fd4ad76b2b1ccb2103a5f96ac', -1, 1558402533, 1558402533, '22e54cc1', -4, 0, 0)

Line : 187
File : sessions.php