[ADRV9009 + ZCU102] Rx MMCM-PLL not locked error that appears every so often.

Hi, 

I am having trouble running my bare-metal application recently because I keep getting this error Rx MMCM-PLL Not locked. What is strange is that before this would only happen every so often at random times when I try to run my application so sometimes it works, and sometimes it doesn't and gets this error. Now, I am getting this error consistently. I thought it was because I changed things in hdl, but I still get this error even when I went back to an older version of my project (which was previously working and had the base hdl provided by analog device's github). I am feeding a ref clock to it as well at 30.72MHz. Does anyone know what may be wrong?

Thank you

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