Phil_

I tried printing something completely different and smaller after that with the same issue. Turns out a reboot was all that was needed. Clearly a bug in the software.

I am trying to print this thing here: https://www.thingiverse.com/thing:2551559 Bottom_3.stl worked fine but when I try to print 2.stl / 1.stl the printer starts normally and then "fails": It starts and immediately finishes. Sep 15 09:50:07 ultimakersystem-ccbdd3003607 python3[350]: 2018-09-15 09:50:07,013 INFO printJobStateProperty New print job state: paused -> post_print Sep 15 09:50:06 ultimakersystem-ccbdd3003607 python3[350]: 2018-09-15 09:50:06,996 INFO procedure PrintProcedure(key='PRINT') transitioning from PrintFileStep(key='PRINTING') --> OtherProced

Just noticed... the app was last updated 2016 - I reported this bug in December 2017. I am beginning to understand the frustrations in the app reviews.

I was able to reproduce this problem with an attached debugger - looks like it needs a fairly simple fix. Device: Onplus 3T, running Android 8, Ultimaker 3 App version 1.0.1, firmware update on the printer last done on the 20th. 12-23 18:19:51.418 10509-10509/? W/System.err: com.google.gson.JsonSyntaxException: java.lang.NumberFormatException: Expected an int but was 42115.42551996263 at line 1 column 326 path $.heads[0].extruders[0].active_material.length_remaining 12-23 18:19:51.424 10509-10509/? W/System.err: at com.google.gson.internal.bind.TypeAdapters$11.read(TypeAdapters.ja