This article outlines issues we are currently tracking and working on for Billings Pro on OS X 10.11 El Capitan:
Billings Pro Server 1.7.2:
- Billings Pro Server Admin could potentially fail to launch after upgrading to El Capitan and produce one of the following errors. 300, 415, 515, Connecting to the Billings Pro configuration. Please read the following article for further assistance I cannot launch Billings Pro Server Admin due to a "Connecting to the Billings Pro configuration" error.