I made a purchase and I was charged but I am getting the error Maintenance work please wait a few minutes.

 

Hey guys can I get some help with this I purchased TA for MT5, got charged for it but now I am met with the attached screen for a while now.

 
Check your profile page here about your purchase:
https://www.mql5.com/en/users/djpj101/market

If you used paypal or Visa so you should wait for few days from the money will come from your bank to the Market bank (and it is international payment).
If you used your MQL5 account/profile so the purchase is made in always immediately way: your product should be ready for installation in Metatrader.
Reason: