myRule_4_A3 (Action Call) - We can't find an action with the name and action type that you specified

This type error will occurs whenever your performing any deployment activities.This error mainly related to the Process Builder processes or Any Flows that are the part of the deployment package. 

The sample error message looks like below.

Update Oppty-17 Flow Version 0 0 myRule_4_A3 (Action Call) - We can't find an action with the name and action type that you specified.

This error message says that action (Email alert,Field update,task etc) related to this Process Update Oppty-17   is missing as part of the deployment package or not in the targeting instance.

Work Around :

1. Please include that action as part of the deployment package

                                               (or)

2.Make sure that action is available in target instance before your making a deployment

Enjoy....!!