phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b1b870870d45b956234fb1ddc6f7aea1' 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 ('b1b870870d45b956234fb1ddc6f7aea1', -1, 1715778007, 1715778007, '0395f456', 18, 0, 0)

Line : 187
File : sessions.php