It appears you were imposter scammed. Please post a new report if you have a Sythe profile to link to this individual.
The real partypeteshop discord appears to be:
The individual you were talking to (who's discord UID is actually 272610925096468480 not what you copied):
At the very least please request a Sythe PM from individuals to confirm you are dealing with the correct party. I'd also recommend you get an understanding of Discord UID's and how to look this up as they are unique to each individual and cannot be changed:
How to collect someone's Discord Unique ID
Start off by going to User Settings at the bottom left of Discord (Example)
From there click Advanced and scroll down to enable Developer Mode (Example)
After that you will be able to right click someone's name either at the top of your DM with them and copy their unique ID (Example)