bug report + workaround: too many parts in hangar

[praise the suuun]

KSP Version: v0.24.2.559 Windows 32-bit and windows 64-bit.

What Happens: some of the parts in construction start to lose their functionality.

Steps to Replicate:

1) build a craft in the SPH with 2000 + parts. from sources im told the likelyness of the bug increases exponentially after 2000.

Result: sections of recently added parts will start to lose their function (highlighting, removing, putting parts on) and it seems, after that point, if you add more parts anywhere then the zone will increase slowly to all the recently added parts and more.

Fixes/Workarounds:

put the dead zone into subassemblies and it will fix but only until the craft is reloaded.

Other Notes/Pictures/Log Files:

image, mod list, log file and an extensive write up can all be found here: http://forum.kerbalspaceprogram.com/threads/109225-HELP!-massive-craft-suddenly-has-blocks-i-can-t-move-highlight?p=1707834#post1707834

findings, community speculation, results and a workaround can be found here: http://forum.kerbalspaceprogram.com/threads/109227-is-there-a-maximum-size-my-craft-file-can-have?p=1709270#post1709270

Edited February 2, 2015 by praise the suuun

[vexx32]

Does this have an existing report on the Bug Tracker? It should, so if you could collate what is known as concisely as possible, it would be a good addition to what's already there. (Or if for some weird reason it doesn't already have a report ticket, it'd be a good start!)