I get this error every single time when I try to install a specific package:
Error: package or namespace load failed for ‘...’:
package ‘...’ was installed before R 4.0.0: please re-install it
What could be the problem?
It means that the named package is out-of-date.
Do
install.packages("package_name")
or perhaps
update.packages()
After updating R you have to update your packages with checkBuilt = TRUE
update.packages(checkBuilt=TRUE)
I have tried using both of these, and still have the error
Can you post a complete error message as a reference?
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