phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('175cb4876f65878e3a101676b5ee64bc', -1, 1462539625, 1462539625, '365b54f2', -1, 0, 0)

Line : 187
File : sessions.php