phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '74ce2e89c6e1e1427d595df6e7c3f6c5' for key 1

INSERT INTO phpbb2_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('74ce2e89c6e1e1427d595df6e7c3f6c5', -1, 1498206874, 1498206874, '36a16a51', 17, 0, 0)

Line : 187
File : sessions.php