It means there's an issue with the command you have set. It can have multiple origins:
- have you specified an admin account in the package's properties? If so, you should delete it, it's not needed
- have you tried to check/uncheck "execute in its context"? It might solve your issue
- did you add the MSP to your package?
I have no experience on this product but It's probably intersting for you to have a look at:
Have a good day