phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './america_alabama/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 ('1f7b4b873412aca14f1faaff32a6a4f5', -1, 1432748505, 1432748505, 'ae818759', -7, 0, 0)

Line : 187
File : sessions.php