Are you staking $STRAT on a Raspberry Pi but haven’t migrated to Stratis Core yet? Here is a guide that was written by Mike Dennis to help you to migrate.
(This is a guide for how to run the Stratis Core C# full node (Core) on a Raspberry PI 3 (RPI) with no front end UI. The RPI is not yet an officially supported)
You can read the guide here:

https://medium.com/@mikedennis.blog/running-stratis-core-full-node-on-rpi3-5dd4f4073f92