celltrek_vis Error

[a365485265]

I don't know where the problem lies，The Error info is as follows：

CellTrek::celltrek_vis(brain_celltrek@meta.data %>%
dplyr::select(coord_x, coord_y, cell_type:id_new),
brain_celltrek@images$anterior1@image,
brain_celltrek@images$anterior1@scale.factors$lowres)

Listening on http://127.0.0.1:7705
Error in utils::browseURL(appUrl) :
'browser' must be a non-empty character string