So if I have a grid with a DTO collection without primary key I cannot export to excel?

IllegalStateException: Cannot find a primary key for a meta class
So if I have a grid with a DTO collection without primary key I cannot export to excel?

IllegalStateException: Cannot find a primary key for a meta class
Hi,
Unfortunately, I cannot reproduce the problem. Could you attache a demo project that reproduces it or provide detailed steps to reproduce it?
click export > all rows

dtogriderror.zip (1.0 MB)
Thank you for reporting the problem, I’ve created a GitHub issue.