REBUS: Failed to broadcast: Request failed with status code 503

[EddieV3]

Getting various errors on REBUS network.

Mainly:
Failed to broadcast: Request failed with status code 503

Can't Delegate, Claim or manual compound.

Also the "Failed to get Rewards" message,

and

Also getting as in issue eco-stake/restake#632
Failed to broadcast: Error when broadcasting tx ACC4A93222EBEBA814C6F85772081CB24F50221D08AD511B6A440A067F5FE395 at height 0. Code: 8; Raw log: pubKey does not match signer address rebus1lte...... with signer index: 0: invalid pubkey