phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ef0c07712d7dd555b4c02085f40f379a' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ef0c07712d7dd555b4c02085f40f379a', -1, 1715801637, 1715801637, '12756d94', 0, 0, 0)

Line : 187
File : sessions.php