Hello Kamyar,
We are waiting for a set of these two hardware's (LM96511-EVAL and WV5) , in order to see if we can repeat your issue, since we have not seen this error which you are getting, this would take some time.
However, I wanted to make sure you have followed our page-5 power up procedure, in LM96511 user guide, and have all the jumper's properly inserted as shown in table-2, and specially item-6 which provides power to the LM96511 EEPROM. The EEPROM should be already programmed and in step-8 the correct FPGA image should get loaded to the WV5 HW.
http://www.ti.com/litv/pdf/snau131
Thanks,
Peyman