FBW A32nx blinking flight control buttons

[iamjsabz]

ill just want to know what is the problem of the fbw a32nx aircraft all the flight control buttons in the cockpit are blinking specially the MCDU keyboard the letters are blinking... when i use asobo a320 everything is fine and in other forum they said i need to use development version i did that but still the same problem someone help me about this its annoying....i have a video clip but i cant upload it here..