Error-invalid-multibyte-character-in-parser-at-line-1.R

#Error: invalid multibyte character in parser at line 1
Sys.setlocale(category = "LC_ALL", locale = "German")

## [1] "LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=German_Germany.1252;LC_NUMERIC=C;LC_TIME=German_Germany.1252"

Sys.getlocale()

## [1] "LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=German_Germany.1252;LC_NUMERIC=C;LC_TIME=German_Germany.1252"

gsub("±", "-", "0.77±0.01")

## [1] "0.77-0.01"