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access violation

ATTIA's picture
Forums: 

Hi,
I opened the local context by using the following lines
myAISContext->CloseAllContexts();
myAISContext->OpenLocalContext();
myAISContext->ActivateStandardMode(TopAbs_Face);
but when I open an iges file, the following error message appears :

Unhandled exception in 0x0c10950e App.exe: 0xC0000005: Access violation when reading the site 0x0ddf04b8.

I did not understand the cause of this error
There is any one who can help me.

Regards