Adding a standalone arcgis sde table to map service breaks survey123

[roemhildtg]

I added a standalone table to the service that hosts our survey123 data. This service is hosted on a 10.5.1 arcgis server and added to arcgis  as a web layer. 

Since adding this table, saving surveys doesn't work correctly. It just gets hung up at Getting service information and then that table's name:

Is it a bug to have additional tables in the map service?

Logfile: 1 2018-08-29T17:21:59Z WSBLT-683 Survey123forArcGIS 22192 - - $ Logging star - Pastebin.com