Symptoms
The following error is thrown after an upgrade to 469 when trying to publish K2 Connect service Object: Could not load type “SourceCode.Workflow.Design.EnvironmentSettingsConnection” from assembly “SourceCode.Workflow.Design, Version=4.0.0.0m Culture=neutral, Publickey=16a2c5aaaaa1b130d”.
Diagnoses
I reproduced this issue internally. from our investigations and as per K2 connect support matrix I noticed that K2 connect 4.6.5 is not support by Blackpearl 4.6.9 - http://help.k2.com/connect/support-matrix
Resolution
Upgrading to K2 Connect 4.6.9 and ERP Connect 4.5 helps resolve the issue.