Card , The block can not be displayed correctly.
Issue already raised in the GitHub:
so bug not yet resolved , l checked on git , its not clear
Yes, bug not resolved yet. issue faced in only dev version, not version 15.
I got some solution
l ran
switched to development , executed patch , build , migrate , bench update then after this l started getting error the system is still updating then l went back to our steps for installing erpnext using steps by Karani for installing erpext on v15 , then l ran the steps from bench enable scheduler upto the end and the issue was resolved