Error: 5:1: unexpected input


Dear all,

I got an annoying issue, I upgraded R to 4.1 these days, but I found an error like this. no matter I installed x86 or arm R. But when I install back to 4.0, this error "5:1: unexpected input" was gone.

At first, I did not notice, until I would like to install packages from biomanger or devtools, but none of these packages can be installed, then I realized may be due this unknown error.
It has been driving me crazy for really long time, hope you guys can help me out!
Thanks a lot in advance.!!!!!

R version 4.1.3 (2022-03-10) -- "One Push-Up"
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Error: 5:1: unexpected input

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