R studio puts center dot in few columns

Hello all,

I have installed new version of R Studio 2022.02.0 Build 443. I have few older R code working absolutely fine with version 1.4.1106. I have a data frame with 200 column names and newer version of R studio puts center dot
image in few columns.

I have so many old codes and I do not have that version to download from R Studio any more? I am not sure if this is RStudio or R causing issue.

Please help.

just an update!
I installed previous version of R 4.0.2 (2020-06-22) and it resolves the issue. where to ask R related question?

Please let me know.

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