Persists problem

The on-screen message gives three recommendations...

1) Wait and try again later.

2) Connect you iPad to a PC or Mac computer that has iTunes installed - then launch and activate your iPad using the iTunes.

3) Contact Apple Support https://apple.com/uk/support

Please describe your problem. Without any information as to the issue or difficulties that you have, we cannot provide any help.

Writing an effective Apple Support Commun… - Apple Community