Can not load gridWeb control instance from session

dear support, i just upgraded my aspose.cells license and my GridWeb application is now broken.
I am getting the “can not load gridWeb control instance from session” error when I click in a cell in the grid.
I have appended a screenshot and my project.
please advise,
kind regards,
guido

image.png (61.6 KB)

@GuidoDeBouver

Thanks for using Aspose APIs.

I do not see the link or attachment of your sample project. Please upload your sample project in this forum or somewhere else and provide its link. We will investigate your issue and help you asap.