Running the example code for getLandsat() returns "No results found". This happens for every query I run with getLandsat.
product <- "Landsat_8_OLI_TIRS_C1"
sdate <- "2019-05-01"
edate <- "2019-05-30"
area <- c(33, 34, -5, -4)
dir <- tempdir()
f <- getLandsat(product, start_date=sdate, end_date=edate,
aoi=area, download=FALSE, path=dir)
> [1] No results found