It appears that after the upgrade to Traveler 188.8.131.52, this error shows up when the server is restarted.
Traveler: WARNING *system Exception caught trying to create constraint PK_INVMAP on Table INV_MAP. Exception Thrown: com.lotus.sync.db.PersistenceException: java.sql.SQLSyntaxErrorException: 'DEVUID' cannot be a column of a primary key because it can contain null values. (SQLS
I've checked online and I'm not seeing anything about this, except for one other person that has the same warning showing up, and there was no resolution provided.
Server status is Green now that I've resolved the "trusted server" warning.