phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c770967f0dcd1e3f14b62fb2468f2eff' 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 ('c770967f0dcd1e3f14b62fb2468f2eff', -1, 1714105467, 1714105467, '0311b515', 0, 0, 0)

Line : 187
File : sessions.php