Hi @Shakuntla_Gondalia!
I haven't seen this error message before, so this is a bit of a long shot, but here goes.
It looks like python 2.7 is getting pulled in here, while QIIME 2 needs v3.6. This may be QIIME 1's fault. Is QIIME 1 installed in your 2020.2 environment, by any chance? Or maybe it's installed globally, and is interfering?
Best,
Chris 