Current Engine, Process ID, Lock Status Count
Lock Status Count is not available per process.
Login Name, Blocking Process ID
Need to add the other required key data items.
Net I/O Bytes, Demand Lock
Demand Lock requires keys and Net I/O Bytes is not valid with any key data items.
Current Engine, Login Name, Deadlock Count
Deadlock Count is not compatible with any key data items, but keys are required for Current Engine and Login Name.