phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '816a40cb6dca3cb195a7a544c0b660c0' 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 ('816a40cb6dca3cb195a7a544c0b660c0', -1, 1715779708, 1715779708, '0387c114', 0, 0, 0)

Line : 187
File : sessions.php