Crashes when selecting unique data points

[LaTrissTitude]

crash log

Listening on http://127.0.0.1:7000
the condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be usedthe condition has length > 1 and only the first element will be used 79: which
77: FUN [/home/personnels/jacquio191/R/x86_64-pc-linux-gnu-library/3.4/tiler/tiler/server.R#574]
76: lapply
73: observeEventHandler [/home/personnels/jacquio191/R/x86_64-pc-linux-gnu-library/3.4/tiler/tiler/server.R#574]
2: shiny::runApp
1: tiler::run_tiler