Unable to change default currency after first sale

Hello
I added 2 orders manually to test different installed applications but after I wanted to change the currency I receive this error.
the site is not functional, it is under construction.

can someone help me please to reset ?

https://justlook44.myshopify.com

thank’s

If the first sale was made, you need to contact support directly for them to make the currency switch.
Contact page link: https://help.shopify.com/en/questions#/contact/