RStudio show "Error in file.exists(pythonPath)"

[jing-8]

when I open .Rproj by RStudio,
it shows :
" Error in file.exists(pythonPath) :
file name conversion problem -- name too long?"

what it means? how to solve?

[Sanjmeh]

This is how you format your question:

FAQ: How to format your code

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