phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '739718ed74a6dea7bf4c8943830f672a' 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 ('739718ed74a6dea7bf4c8943830f672a', -1, 1544889960, 1544889960, '36e31f91', -10, 0, 0)

Line : 187
File : sessions.php