Currently, using Mandrill for email flows and it's working fine before upgrade the Magento. My previous version is 2.2.4 and upgraded to 2.3.1.
After upgrade, the Magento emails are not getting flow.
When I am debugging the problem than I knew something like
I am getting an error like
from_name not getting is the main error.
Please help me, anybody, if any idea of this bug.