Problem in plotting graph or Graphics Device in the RStudio

Hello Everyone. I’m trying to plot an Enrichissement graphic via “TCGAanalyze_EAcomplete” But when I run, nothing shows up. The console displays “null device 1” Please anyone could hepl me to fix this error. Thank you very much. below is the script I used

TCGAvisualize_EAbarplot(tf = rownames(ansEA$ResBP), GOBPTab = ansEA$ResBP, GOCCTab = ansEA$ResCC, GOMFTab = ansEA$ResMF, PathTab = ansEA$ResPat, nRGTab = Genelist, nBar = 10)

And I get the error : null device 1 “`