**BUG** Concise problem statement: Saving PCB fails most of the time, sometimes for hours. Problem exists for two days now. Steps to reproduce bug: 1. Login 2. Change PCB 3. Try to save as PCB Results: Most of the time (90% or so) I get "Network error". Sometimes I cannot save for hours. Note: saving as PCB Module seems to work most of the time, even when saving as PCB fails. Expected results: Save PCB without problems. Browser: Opera 45 My network connection is ok. Ping to easyeda.com around 26 ms, 0% packet loss.