phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '16bf68dfa3f3ad0a2ade80f755b990e6' 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 ('16bf68dfa3f3ad0a2ade80f755b990e6', -1, 1714356714, 1714356714, '12bfabeb', -9, 0, 0)

Line : 187
File : sessions.php