phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9f5488946cf7496bf3ca981780ab91b' 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 ('b9f5488946cf7496bf3ca981780ab91b', -1, 1715467914, 1715467914, '038e72f5', 0, 0, 0)

Line : 187
File : sessions.php