Unable to create a protection group with "Operation Error: Mapping for resourcePool 'Resource Name' missing in resource mappings"

Products

• VMware Site Recovery Manager 8.x
• VMware Live Recovery

Issue/Introduction

• Unable to create a new protection group. 
• The performed operation fails with the following error:  
  
Operation Error: Mapping for resourcePool '<Resource Name>' missing in resource mappings". 
  
  
  
  
• It occurs with a protection group for array-based replication. 
• There are resource pool mappings for virtual machines deployed on replicated datastores.  

Environment

VMware Site Recovery Manager 8.x
VMware Live Site Recovery

Cause

VLSR / SRM checks at least one parent resource pool mapping of replicated datastore exists.
Otherwise, array-based replication port group creation fails with the resource pool mapping missing error.
This behavior change was introduced since SRM 8.3.1.

Resolution

Create a parent resource pool mapping as a cluster mapping and then create a protection group again. 

Additional Information

Create Array-Based Replication Protection Groups
Unable to edit a "Not configured" protection group with "Operation Error: Mapping for resourcePool '<Resource Name>' missing in resource mappings"