phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c592e47c8475210350916486d994190e' 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 ('c592e47c8475210350916486d994190e', -1, 1527376255, 1527376255, '36514e87', 0, 0, 0)

Line : 187
File : sessions.php