Error: null---(3501) when issuing Credits

[Clareodo]

That's would need to be changed for us. A cancelled class can mean 40,60+ refunds or more...How does the Account Team reach out? Email or phone?...

[Clareodo]

Hi, no one reached out to us as yet. While we did succeed in making the credits the following day, we would like to have the issue fixed. We need to be...

[Clareodo]

Thanks, We made several successful credits yesterday, then got the error message on the following ones:

30253-2303140758123315001...

[Clareodo]

We are getting the following error when attempting to process refunds: null---(3501). Any ideas about how to resolve this?