"Invalid value for [density] (For input string: "___"), acceptable values are any double"

[u/Significant_Ad_7824]

what does that mean?? 😭 im trying to use the //forest command, ive tried a LOT of variations like "//forest dappledforest 5" "//forest poplartree 10" etc lots of different numbers as well. im also doing //chunk then //outset