phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9c1495dcf2d0fc7c04a355fe403702f' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b9c1495dcf2d0fc7c04a355fe403702f', -1, 1715903851, 1715903851, 'c0a80201', 0, 0, 0)

Line : 187
File : sessions.php