phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '79897e453d6ad19495c94f1e821e8edc' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('79897e453d6ad19495c94f1e821e8edc', -1, 1766823261, 1766823261, 'd849d819', 13, 0, 0)

Line : 187
File : sessions.php