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launching has encountered a problem [message #1796616]

Tue, 16 October 2018 13:59

Faezeh Khorram

Messages: 6
Registered: September 2018

Junior Member

I am working on a transformation with ATL language. I have been written a transformation module (AnnotatedBPMN2ClassDiagram) and it was working properly but suddenly an error occurred when I want to run the project again. the error is:

'launching AnnotatedBPMN2ClassDiagram' has encountered a problem
An internal error occurred during: "Launching AnnotatedBPMN2ClassDiagram".
java.lang.NullPointerException

the target .xmi model is generated but it is empty
what should I do now??
My transformation module is attached