I feel bad sound when I mowe right cup of my headphones on my ears

I feel bad sound when I mowe right cup of my headphones on my ears
I have planar- magnetic driver in my headphones (Audeze Sine), and in two months of Using I can hear disturbing sound in my right cup it wasn't happening in the past, but now I can hear it, please film something about that or help me anyway with my lovely headphones)

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