phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8efea4ffd4a8983c959cd2fe497210e2' 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 ('8efea4ffd4a8983c959cd2fe497210e2', -1, 1756109561, 1756109561, 'd849d823', 29, 0, 0)

Line : 187
File : sessions.php