While i try to upload new product, and after i change the attribute Set from DEFAULT to SET-
1, i get the following error being displayed as a notice.
"A technical problem with the server created an error. Try again to continue what you were doing. If the problem persists, try again later."
![attribute sets error.png attribute sets error.png](https://community.magento.com/t5/image/serverpage/image-id/13722iA4E2C378F77C1263/image-size/large?v=v2&px=999)