Arduino mega 2560 and NFC shield V.2 Didn't find PN53x board

Hey, all

I want to try the “readMifareTarget ID.ino” using arduino atmega 2560 and Seeedstudio NFC shield v.2.
I got the library and the example from the following link: www.seeedstudio.com/wiki/File:PN532_SPI_V2.zip

And this is how my connection on the attachment below,

but still, i got the result displaying: Didn’t find PN53x board

What do i miss?

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