Object cannot be cast from DBNull to other types. When downloading a Process from Process Xchange in a JEE Project (Bizagi JEE, DBNull, Process Xchange)

Summary

In Bizagi Studio, when a user downloads a process from Process Xchange using the initial splash and selects to create a new JEE Project, an error is displayed and the creation of the project cannot be completed.

Applies to

Bizagi Studio JEE 10.7 or higher using SQL

Symptoms

When a user downloads a process from Process Xchange using the initial splash and selects a new JEE project, the template download fails when Process Xchange tries to synchronize the entities. The following error is displayed:
Object cannot be cast from DBNull to other types

Cause

This problem is presented when the protocols of your SQL instance are not enabled.

Solution

1. Open SQL Server Configuration Manager, in the console pane, expand SQL Server Network Configuration.

2. In the console pane, click Protocols for <instance_name>.

3. In the details pane, right-click the disabled protocols and then click Enable. All protocols (Shared Memory, Named Pipes, TCP/IP) MUST be enabled.
Refer to http://help.bizagi.com/bpmsuite/en/sql_server_configuration.htm, for further configuration in the protocols.