Hello guys i have a question :

yesterday purchased 10 garry mods from steam store ( 2 years old account , market activated last month ) wanted to buy more gmods today and keep getting this error :

An unexpected error has occurred. Your purchase has not been completed.
Please contact Steam Support.

Added Portal 2 to cart and wanted to purchase as a gift got same error
Added Portal 2 to buy for myself worked fine, got game in my library

Payment metod Steam wallet

Maybe there is some limits ? On my main i can buy 10 in 1 hour