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Cache Achievement Descriptions crashes on Android

I have a blueprint that successfully calls Connect to Service, and Cache Achievements, but the Cache Achievement Descriptions node crashes. This is when using Google Play on Android. The crash is an assert in the UnrealEngine.cpp file checking that a world context object should not be NULL -- but it is.

This is built on Windows, with stock 4.7.6 engine, with stock "blank" new project, set up for Android and Google Play.

 D/UE4     ( 2141): [2015.04.23-04.29.59:867][  0]Assertion failed: Assertion failed: Object [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.7\Engine\Source\Runtime\Engine\Private\UnrealEngine.cpp] [Line: 7244]

Here is the blueprint. Note the circled-in-pink area -- if I connect that flow from Success so it actually calls the cache-achievement-descriptions function, then this crash happens. It doesn't happen the way it's actually wired in the picture.

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Product Version: Not Selected
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asked Apr 23 '15 at 04:43 AM in Bug Reports

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avatar image wittlief ♦♦ STAFF Apr 23 '15 at 07:10 PM

Hi jwatte,

Do you mind attaching your blueprint screenshot to this thread so I can get a larger view of your setup to attempt a repro of the crash? Also, if you can locate the crash logs and attach to this thread that would be very helpful.


avatar image jwatte Apr 23 '15 at 07:35 PM

Note that this is on Android; the thread you linked to is for Windows/Mac. The line in the log that describes the crash is exactly the line I copied. (This is from adb logcat) I can extract a larger subset of the log in the evening today. Attaching the image as an attachment here. (Btw: The forum sometimes refuses my upload, so I have to link to an external site.)

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avatar image wittlief ♦♦ STAFF Apr 23 '15 at 08:06 PM

Ah, I just assumed you were seeing the crash in the editor and not on the device, apologies. If you can include the entire logcat that would be also good. Thank you for your screenshot, I will attempt to repro.

avatar image jwatte Apr 24 '15 at 12:55 AM

I'm attaching the log file (very slightly redacted where some IDs are replaced with "*") Search for "assert" to find the crashy location. link text

foo.log (74.8 kB)
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This appears to be the same issue that was addressed in this pull request. I've submitted the fix to our main branch, and it will be included in a future release, likely 4.9.

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answered Apr 29 '15 at 08:59 PM

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Ryan Gerleve STAFF
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avatar image KillerSneak Aug 06 '15 at 08:47 AM

Could you take a look at the Cache Achievements and Read Leaderboards as well please? someone is already looking at it, but I have the feeling all the query's to achievements and leaderboards are having problems.

The cache achievements also make my game crash each and every time


avatar image Samantha Sutton ♦♦ STAFF Aug 06 '15 at 05:25 PM


We are already supporting you for the issue that's linked in your reply above. Please wait for further assistance on that thread and do not open up any additional threads related to the same issue.

Thank you and have a nice day.

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