You need Cubase Pro or Cubase Artist 11.0.40 or higher to use the ARA version of VocAlign Project 5.
You can use the VST3 version of VocALign Project 5 with previous versions.
Please note, Cubase Elements does not support ARA; you can use the VST3 version of VocALign Project 5 and VocAlign Ultra in Cubase Elements 11 and higher.