phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '602fb1347f04912655fc75900b4cc931' 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 ('602fb1347f04912655fc75900b4cc931', -1, 1763297736, 1763297736, '12610e53', -11, 0, 0)

Line : 187
File : sessions.php