RE: Movement template - error "Invalid Work Type."
Hello Eliza,
I have been replicated the process and it went through with out any error, here I have attached the complete setup for your reference
Mobile device menu item

Mobile Device Menu

Work Template setup

Edit Query on work template

Wave Template

Location Directive

Location Directive Actions Edit Query

Worker

Onhand inventory before transaction

Mobile Emulator Process

Qty to be move Updated

After click OK

Ensure Pick location, Qty and click OK..

After click OK
License Plate updated by system

Put Location Confirmation

After click OK

After Complete Transaction Current Inventory

Transaction Details

I run through complete process, Ensure your setting and process once again.
Thanks
Hope this Helps You !!!
This is my personal view , this does not represent any opinion from Microsoft or My organization.
If this answers your question than please take out time to mark this reply as verified answer. Thanks !!!