also see last comment on T63833
< Coren> matanya: Sorry, can't seem to see what could be wrong with wikiviewstats. It logs no error, and unconditionally returns that message. AFAICT, that only should happen when it can't connect to the database but I see nothing wrong with them nor does it report a failure.
< Coren> There are two sets of creds, one of which is specifically connecting to the wrong db
T120497 discusses alternatives.