Hello!
The new version of plugin will tell more about the problem, in particular it will give also an error code.
Please update the plugin once it available, try to save the grid again and share with us the error number.
This will help us to find and fix the problem for you.
Thanks
I have the latest version installed, no code is showing.
deleted and reinstalled the plugin same issue.
Hello!
We are going to update the plugin within 24 hours so that will probably be resolved in new version. Contact us here in any case.
Thanks