Lost content

So I sold many good expensive players from my team and started saving up, and almost every time I hopped on to play it went down when I didn’t pay or purchase. It happened often, and I tried to contact customer service, but it took a while, so I got mad and stopped playing for a while. I remember when I left I had around 90 million, and now I have about 10. I don’t have a screenshot or recording, but I have lost more than 100 million over all of my losses.

If possible, can I get what I lost back? But if not possible, please fix the error so I don’t lose more money. If I do not answer this soon, I am sorry, but please try to fix the issue. The dates I fully don’t remember—it probably happened during 3 months or less.