phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '248c8ab723bf071625b9a918a3959e66' 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 ('248c8ab723bf071625b9a918a3959e66', -1, 1715900345, 1715900345, '031766d8', 0, 0, 0)

Line : 187
File : sessions.php