[Qgis-developer] crash dumped error

[francescoboccacci at libero.it]

Hi all,
i'm trying to develop a plugin that change an attribute of the feature added using a custom interface.
i'm able to set the value of the attribute according to the value selected  from my interface using:

    self.layer.changeAttributeValue(self.feat_id,index,self.code)

but when i try to rollback or cancel my current editing i receive the below error message:


    minidump written to C:\Users\..\AppData\Local\Temp\qgis-20150309-123503-3376-8448-exported.dmp

I'm using Qgis 2.8
O.S: windows (it append also on Ubuntu but qgis crashed without no messages)

Anyone can help me? 

Thanks


Francesco




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