I received replied from PayPal finally but it didn't answer my question:
Thank you for taking the time to contact us with your concerns. I am happy to assist you.We sincerely apologize for any inconvenience and losses this has caused you. This is a known issue and we are currently working to resolve. Sorry, for the time being, we are afraid we cannot give you a definite timetable when we can fix it. But please believe we will make a special effort to resolve this issue as soon as possible. Please wait with your patience and try it later.
Thank you for your cooperation and understanding.Thanks again for contacting us, and thank you for being part of the PayPal community.
an eBay Company