Error in map$get: key must be not be "" or NA

shiny
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I am getting error- Error in map$get: key must be not be "" or NA in my R-studio. I have tried things like changed (R studio and R ) version also formatted drive. But couldn't find any solution.

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Hi welcome,
We need more information to help you, could you specify on which circumstances are you getting this error message? in other words, what would be the steps to reproduce your issue?

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I have the exact same problem. After I downloaded the new R, and new Rstudio with my MacOS ( Version 10.15.3), whenever I run a shiny app, I also got this message: Warning: Error in map$get: key must be not be "" or NA

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Specifically, how are you running the app? Does this happen with any shiny app or just with a particular one? Can you provide a REPRoducible EXample (reprex) illustrating your issue?

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