missing pathways

[Imm123]

Hi, After merging 3 cellchat objects, I am trying to create a bubble plot: netVisual_bubble(cellchat, sources.use = c("cell1", "cell2"), targets.use = "cell3", comparison = c(1,2,3), angle.x = 45, remove.isolate = T) I got all significant L-R interactions (including IL16 and IL17)

however when I select a signaling pathways: netVisual_bubble(cellchat, sources.use = c("cell1", "cell2"), targets.use = "cell3", comparison = c(1,2,3), angle.x = 45, remove.isolate = T, signaling = c("IL16")) I got this message: Cannot find IL16 . Please input a correct name!

What could be the problem in this case?

Best,