我收到以下错误,不知道是什么原因造成的。
我正在关注这个小插曲来学习 MODISTools。
https://cran.r-project.org/web/packages/MODISTools/vignettes/modistools-vignette.html
library(MODISTools)
products <- mt_products()
Warning: namespace ‘cachem’ is not available and has been replaced
by .GlobalEnv when processing object ‘<unknown>’
Error in validate_key(key) : could not find function "validate_key"