[R] GlobalEnv error

[Haida]

Dear all

May I know how to solve this problem? I have encountered this problem after
I have logged out from Rstudio. Thank you

Warning: namespace ‘caret’ is not available and has been replaced
by .GlobalEnv when processing object ‘fit.ann’
Warning: namespace ‘ggplot2’ is not available and has been replaced
by .GlobalEnv when processing object ‘p1’
Warning: namespace ‘plotly’ is not available and has been replaced
by .GlobalEnv when processing object ‘p’
Warning: namespace ‘easyGgplot2’ is not available and has been replaced
by .GlobalEnv when processing object ‘plot’
Warning: namespace ‘RSNNS’ is not available and has been replaced
by .GlobalEnv when processing object ‘fit.mlp’
Warning: namespace ‘ipred’ is not available and has been replaced
by .GlobalEnv when processing object ‘fit.treebag’

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