phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9b4fa5406cd4e47efc4a7b04c1d79471' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9b4fa5406cd4e47efc4a7b04c1d79471', -1, 1713545170, 1713545170, '0315f82f', 0, 0, 0)

Line : 187
File : sessions.php