Symptoms

Error when deploying process
 

Diagnoses

When deploying a packaged solution to your production environment via PandampD an error is thrown with reference to .net versions and compilation of the project.

Unable to validate the environment field 'From Address'. The environment library is not connected.
C:ProgramDataTemp6fcd1465e005411d8620ac58488885a0ProjectENBSSupervisorApplication.kprx.

This correlates to all of the environment fields pointing to the production environment.
 

Resolution

Please do try to restart the K2 service in this scenario, this should help resolve the issue.