If you used the audio-dialog command, you must register it in the [CONFIG] Section of the project file, as shown in the following code sample:
[CONFIG]
RegisterRoutine("mvbmp","HDisplayBmp","USSS")
RegisterRoutine("mvaudio", "HAudioCommand", "USSS")
RegisterRoutine("mvauddlg", "HAudioDialog", "USSS"); audio dialog command
RegisterRoutine("mvaff", "HAnimateCommand", "USSSS")
RegisterRoutine("ftui", "InitRoutines", "SU")
InitRoutines(qchPath, 1)
RegisterRoutine("ftui","ExecFullTextSearch","USSS")
CreateButton("ftSearch","&Search",
"ExecFullTextSearch(hwndApp,qchPath,`',`')")
BrowseButtons()