[R] During startup - Warning messages:

[Yongjie]

Dear Sir/Madam,

After installing R, I saw this warning message in red when I open the R...

During startup - Warning messages:
1: Setting LC_CTYPE failed, using "C"
2: Setting LC_COLLATE failed, using "C"
3: Setting LC_TIME failed, using "C"
4: Setting LC_MESSAGES failed, using "C"
5: Setting LC_PAPER failed, using "C"

how shall I solve this ?

Thank you very much in advance.

Yj
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