Heekscad crashed when mouseover on CAD Window

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What steps will reproduce the problem?
1. open heeksfile
2. do mouseover 
3. heekscad crashed

What is the expected output? What do you see instead?
~ $ heekscad
Attempt to automatically load HeeksCNC: /usr/lib/libheekscnc.so
Resource: script_ops.xml found at: /usr/share/heekscnc/script_ops.xml
Resource: script_ops.xml found at: /usr/share/heekscnc/script_ops.xml
Resource: machines.xml found at: /usr/share/heekscnc/machines.xml
Resource: default.tooltable found at: 
/home/sven/.config/heekscnc/default.tooltable
Resource: machines.xml found at: /usr/share/heekscnc/machines.xml
Resource: machines.xml found at: /usr/share/heekscnc/machines.xml
heekscad: 
/build/buildd/heekscad-1.0.0+svn201503030631~ubuntu14.04.1/src/Index.h:24: 
OBJECT_T Index<INDEX_T, OBJECT_T>::find(INDEX_T) [with INDEX_T = unsigned int; 
OBJECT_T = HeeksObj*]: Zusicherung »it != index.end()« nicht erfüllt.
Abgebrochen

What version of the product are you using? On what operating system?
heekscad-1.0.0+svn201503030631~ubuntu14.04.1

Please provide any additional information below.
please see file

Original issue reported on code.google.com by sven.pei...@googlemail.com on 5 Mar 2015 at 5:24

Attachments:

• oberteil.heeks

[GoogleCodeExporter]

Original comment by neomil...@gmail.com on 10 Mar 2015 at 1:30

• Changed title: Heekscad crashed when mouseover on CAD Window
• Changed state: Accepted
• Added labels: OpSys-All

[GoogleCodeExporter]

I tried without HeeksCNC plugin and it works. If I enable HeeksCNC, it crashes.

Original comment by neomil...@gmail.com on 11 Mar 2015 at 10:35

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Original comment by neomil...@gmail.com on 14 Mar 2015 at 9:48