phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f76ce967f42040f28dd049f0b25c9571' 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 ('f76ce967f42040f28dd049f0b25c9571', -1, 1767271659, 1767271659, 'd849d82e', -4, 0, 0)

Line : 187
File : sessions.php