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TMS320F28069: Lab 1B Current and voltage waveform

Part Number: TMS320F28069

Hello dear,

I have my custom power converter with reference of TI  Design and I am testing with lab 1B. and I have result like this

In this image the upper waveform if voltage feedback and the lower one is current feedback. I am not understanding that with this clear current waveform how can voltage waveform is too much distorted?

Is any hardware issue or software?