Welcome to the forum!

You passed the wrong value types, I guess.

Your sub has:
Sub SelectAppsToRun(ctlGrpName As String, ws As Worksheet, activeTbx As MSForms.TextBox)
But I guess you did:
Application.Run "JumpToNextCtl", ws, ctlGrpName, activeTbx
You should have used:
Application.Run "JumpToNextCtl", ctlGrpName, ws, activeTbx