Paypal issues through Audiogon

I have had Audiogon-PayPal issues with my most recent two buying transactions and I have alerted Audiogon but I do not believe it is resolved.  In my case, when I go through the transaction process on the Audiogon website it does not allow me to use my PayPal credit card as a funding source.  Audiogon is the only PayPal vendor I use that this happens with.  I am able to easily pay the seller through PayPal but only if I go outside of Audiogon to do so. Fortunately, I have not had the experience you have - where your PayPal account is charged twice.

Call PayPal customer service and a rep will resolve it for you.

Same as above in a recent sale, but the buyer had the problem. 

Thanks for the responses . I did as advised and called Papal twice after they hung up on me the first time. They said the payment wasn’t flagged by their security system.They claimed it was my bank refusing to make the payment and to try a credit card . When I said that I already tried that they  responded that the credit card company also refused to make payment !
I said that is horefeathers as neither would deny a $109 payment especially since PayPal is backed up by a credit card if the bank won’t make payment. 
I finally requested that the seller send me a money request via Papal. The same bank that supposedly refused to fund my prior request did so immediately.
My concerns with this are twofold: 
1) I like to pay for purchased items immediately.
2) I am thinking of making a much larger purchase which I have sufficient funds to cover but not if they charge me twice like they did the first time this happened and then it would revert to a credit card.

I've had a few sales through audiogon recently and the PayPal link has been fine Afrikaans (no complaints from buyers), but the shipping has not worked at all. I had to use paypal's and fedex's sites for the shipping.  I wasted a lot of time with audiogon's check out system  . . . Which could and should be very convenient but it doesn't work.