还要一周面签了，还没交I-901 SEVIS FEE 。官网一直显示

There will be an extended outage of the SEVIS environments.  I-901 Fee payments will be unavailable until the scheduled outage is complete. The ability to check the status of an I-901 fee and print the fee receipt will not be affected.

I-901 Fee payment processing is currently unavailable. Please check back later to make your payment. You may still check the status of an existing payment.

这种情况一般多久？会不会影响面签啊？

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