Logged into Dune no problem. Played for a bit, then went into world map and tried going back to Hagga Basin and received Q52 password invalid error.
Logged out and connected to a different GPortal private Dune server in the same region and got same error again.
Tried all the following:
Restart game
Check game file integrity via Steam
Restart GPortal server
Restart PC
After each step, got the same error when trying to zone to Hagga Basin from both of the private servers.