phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5ab1896ef8e05cffc99e2f492848ad73' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5ab1896ef8e05cffc99e2f492848ad73', -1, 1788588942, 1788588942, 'd849d86d', 6, 0, 0)

Line : 187
File : sessions.php