SAP Message RSO810 - Specify a transportable package, ('&1') not possible

Diagnosis
You want to transport objects. For this, you should change thedevelopment class of your objects from '&V2&' (this is not atransportable development class) to a transportable development class.
Similarly, '&V1&' is not a transportable development class, either.

System Response
Development class '&V1&' is not accepted here.

Procedure
Enter a transportable development class.