[AC-468] KrollCallback.m Crash App Animation
	
	
| GitHub Issue | n/a | 
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| Type | Bug | 
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| Priority | n/a | 
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| Status | Resolved | 
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| Resolution | Cannot Reproduce | 
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| Resolution Date | 2015-11-11T05:10:19.000+0000 | 
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| Affected Version/s | Appcelerator Studio 4.3.1 | 
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| Fix Version/s | n/a | 
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| Components | Titanium SDK & CLI | 
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| Labels | ios | 
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| Reporter | Donovan Lewis | 
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| Assignee | Shak Hossain | 
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| Created | 2015-10-15T15:57:54.000+0000 | 
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| Updated | 2015-11-11T05:10:19.000+0000 | 
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Description
	When testing with any version of TI SDK 5.1.0.x my app will sometimes crash when animation is started. It happens about 1 and 5 times. 
I do not really have much information as its hard to create something to recreate the issue since it does not happen every time. 
I have attached a screen shot from Xcode when the crash happens showing the error. This crash does not happen on TI SDK 5.0.1 GA. 
Attachments
 
Hi, The issue is not reproducible. I have tested with Appcelerator Studio, build: 4.3.3.201510212245. Thanks.