phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '706abcf7a94690bad6d57639d41fe450' 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 ('706abcf7a94690bad6d57639d41fe450', -1, 1754604582, 1754604582, 'd849d817', -9, 0, 0)

Line : 187
File : sessions.php