Can't log in ? – Followers Mania for Instagram - follow management tool with statistic about likes and comments for true IG Review

I've been trying to log in for more than 4 months now, every time I try to log in it says I'm not a sandbox user of this client! And idk what to do now
Review by Melissa 0109 on Followers Mania for Instagram - follow management tool with statistic about likes and comments for true IG.