The jjDotPlot in split.by='group' show error

[honghh2018]

Hi developer,

jjDotPlot(object = obj,
gene = genes,
id = 'celltype',
split.by = 'groups',
split.by.aesGroup = T)

the error lying below
Aggregation function missing: defaulting to length
Error in .rowNamesDF<-(x, value = value) :
missing values in 'row.names' are not allowed
Calls: do.call ... row.names<- -> row.names<-.data.frame -> .rowNamesDF<-
Execution halted

the package version 0.1.0
how to fix this issue,any advice would be appreciated
Best,
hanhuihong

[junjunlab]

Please supply your code and data to let me test it.