Man :-/ ...
0) I will not tell you why this message/informations did appear on his web-site NOW in spite I have a very good guess ....
1) I know Simon, he is no native english speaker/writer (like me) and probably he types these sentences in a hurry, at least in high time-pressure.
3. The Polish authority closed your Bank account in Poland.
2) Ever heard of typos? For me, the y in the word "your" is one and then the sentence (with my background infos and deleting this "y") makes perfect sense!
A friendly pointer to these nervous guys: calm down, this would be better for everybody.

smtp