How do I add multiple contents to a single container?

Issue

Multiple entities cannot be added into a container at the same time. 

Environment

Inventory application

Resolution steps

One entity needs to be added to the container and then another entity can be transferred into that same container.

After adding one entity to a container:

1. In the Inventory tab, click the + icon, then click Transfer Samples.
2. Search for or register the entity to add to the container, then click Next.
3. Search for the container to put the entity into, then click Next. 
4. Enter the transfer quantity for the entity, then click Next. 
5. Select the concentration and units for the entities in this container, then click Done.