Olympus Xd Card Error How Can I Fix My Olympus XD 1GB Picture Card?

How can I fix my Olympus xD 1GB picture card? - olympus xd card error

I was with one days for data transfer and then inserted into the device. He said he had to format it and then pressed format. After a few seconds, said it was a bug in the memory card. Now I can not read or whatever format. How can I fix my miniSD card?