phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b4b51fb49e5b258b62d7a16228bbb0e1' 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 ('b4b51fb49e5b258b62d7a16228bbb0e1', -1, 1713531744, 1713531744, '1277a09a', -9, 0, 0)

Line : 187
File : sessions.php