Hi;
I found an error assigning the ContentImage. It's always null.
I have created two projects so you can see the case.
The proyect AlertOld contains the version 2018.1.116 and the proyect AlertNew contains the version 2018.1.220.
In the Proyect AlertOld works perfectly and in the other not work.
https://www.dropbox.com/s/qrre9bsdaz2z4iq/Alert.rar
Regards