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 ('81be5cc01fe3a141527f5d7fd98e3ab0', -1, 1556230199, 1556230199, '34c882a3', -4, 0, 0)

Line : 187
File : sessions.php