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Adding xx Elements to a BP causes crash

Bonjour ! Step to crashes :

-Create an empty level.
-Add point lights actors. (their setting is irrelevant, I tried several options, size, no shadow, radius, etc...)
-Ctrl+W the point light, more until... 77 lights... (I tried all the way 76 was okay, more than that is crash)
-Replace with composited BluePrint
CRASH to desktop, all is gone in a flash : to bug report form.

I just tested the same thing with cubes, I have a crash also.
Same steps, but create a 10x10x10 cube.
Copy, no overlap
Crash at 77 (76 was okay, crash when more)

FYI : my RAM is at around 20% usage,(of 10Go) proc around 20 also.(of 2 dual quads core), very very stable workstation.

It's a critical bug for me, I have to go through that process to create my level.
Good (bug) hunt !

Found where the bug is (comment below), it's related to naming length of the created composited BP. WORKAROUND : Shorter name !

EDIT 2 :
Sadly the previous workaround only allow you to get to the save window, but it crash when saving. 100% of the time.

Ok so it's still the 260 character limit.
I have 80 objects. 260/3 : 3.25.
I renamed all my object with 3 letters.
Was able to save, but in the level itself the name of the created object is still SUPER long. So that's probably what was causing the crash when saving.

Renamed my object to L01,L02,etc... "L77_L01_L02_L03_L04_L05_L06_L07_L08_L09_L10_L11_L12_L13_L14_L15_L16_L17_L18_L19_L20_L21_L22_L23_L24_L25_L26_L27_L28_L29_L30_L31_L32_L33_L34_L35_L36_L37_L38_L39_L40_L41_L42_L43_L44_L45_L46_L47_L48_L49_L50_L51_L52_L53_L54_L55_L56_L57_L58_L59_L60_L61_L62_L63_L64_L65_L66_L67_L68_L69_L70_L71_L72_L73_L74_L75_L76_SQ_01_Blueprint" is the name of the object created in the level, after saving the BP. That did not crash.

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asked Apr 12 '14 at 12:06 PM in Bug Reports

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avatar image olivierJT Apr 12 '14 at 12:11 PM

If I may add a suggestion : when creating a blueprint the name is the name of all the element, it's possible that I reach a certain number that is too long and that cause the crash, I will try with a very short name and report back.

avatar image olivierJT Apr 12 '14 at 12:21 PM

Ok, yes that's it. Create a cube name "B" and I was able to make add more than 77. (208,254 was crash)
112,144,176 were okay.

avatar image olivierJT May 04 '14 at 06:06 PM

Still not fixed in 4.1... Creating BP with asset that cause a long name is immediate crash... ! Come on guys fix this now...

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Hi OlivierJT,

Thank you for pointing out this issue. I have confirmed the issue as well and have entered the issue into our database for tracking for our developers to review. Please continue to point out any issues that you come across like this so that we may get them in front of our team to review.



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answered Apr 12 '14 at 02:48 PM

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DizzyWes ♦♦ STAFF
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avatar image olivierJT Apr 12 '14 at 03:00 PM

Thank you for you quick reply, I added "edit 3" I solved the issue with a workaround.
It will be very easy for the Dev. to pinpoint and fix the issue.
Merci !

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