AdvWebGrid .Nodes.NodeOpen.Data error

i am rarely getting the below error when open the form. In the form oncreate i have assigned NIL to the nodeclosed method TTIWAdvWebGrid.Nodes.NodeClosed := nil;

 How resolve this issue please?

 Error reading TTIWAdvWebGrid1.Nodes.NodeOpen.Data: Could not load image. Invalid format#13UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36

This post was replied to via email.

as you suggested through email ,if clear the values though the object inspector it will reappear when reopen the form. any other workaround please?

We are currently investigating this issue and will report back as soon as possible.

An update was provided by email that should fix the issue.