BMXAA8443E `The communication template {0} that is specified in the workflow assignment for process {1} revision {2} node {3} does not exist. Go to the Workflow Designer application and ensure that a valid communication template is defined for the node.`

Explanation

This error indicates that a communication template defined in the workflow assignment does not exist.

Go to the workflow designer application and make sure a valid communication template is defined for the given assignment node.