phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c93f7445b5be326708a8b1107e5d1962' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c93f7445b5be326708a8b1107e5d1962', -1, 1547616883, 1547616883, '36e2194a', -9, 0, 0)

Line : 198
File : sessions.php