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"Add Widget Component" can't save status

my project is on svn https://talking-with-cat.googlecode.com/svn/trunk/

I use UE 4.7.3.

I use "Add Widget Component" add my widget class,

but when I save my project, and reopen my project.

The "Add Widget Component" widget will clear to None like picture. alt text


alt text you can see first I set "TalkingWithCat2"

but when I reopen it will clear to "None"

This problem I think is about widget class,

because some widget class don't has this problem, but some has this problem.

Product Version: Not Selected
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asked Mar 25 '15 at 05:56 PM in Bug Reports

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avatar image Ben Halliday STAFF Mar 26 '15 at 02:13 PM

Hi damody,

There is a known issue that replaces Class references with PLACEHOLDER or None which was fixed just recently. If you test a copy of your project in the latest 4.7 from GitHub (4.7.4), does the same issue occur? The fix was implemented in this commit:


avatar image damody Mar 27 '15 at 07:11 AM

I update LinkerLoad.cpp, PropertyObject.cpp, LinkerPlaceholderClass.h, LinkerPlaceholderClass.cpp to master version but they don't fix my problem.

alt text

avatar image t0b4cc0 Mar 29 '15 at 02:23 PM


I have this problem too (ue4 4.7.3), but the links that have been posted lead me to a 404

avatar image Ben Halliday STAFF Mar 30 '15 at 01:54 PM

Hi t0b4cc0,

You need to be logged into GitHub for the commit links to work, and be sure your Epic and GitHub accounts are linked. More info on that here:


avatar image MykonCodes May 17 '15 at 08:34 PM

I use 4.7.6 and have the same error.

avatar image Ben Halliday STAFF May 20 '15 at 06:05 PM

Hi OmaManfred,

Could you upload your project somewhere and send me a link? I'd like to send this to the devs if possible. If you need it to be private, you can send me the link via PM on the forums:



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ok, I pull the branch "4.7", it's ok. 4.7.4 is no problem for me.

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answered Mar 29 '15 at 05:37 PM

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