By default, a project can only have one instance running at a time. If you try to kick off a project that already has an instance running you will receive an error. The error message will look like "Project 'Test Project' is defined as not thread safe and an instance with job number '1223344556677' is already running". You may also see this error message "MSG GAE9898" if you tried to execute the project using the RunProject command.
If you would like to run multiple instances of this project simultaneously please follow the steps below:
1) Login into the GoAnywhere client and edit the project.
2) With the project node selected in the Project Outline (this is selected by default when you click on the edit button for a project) click on the Advanced tab.
3) Change the thread-safe option to "true".
The Thread-Safe option will specify whether or not it is safe to run multiple instances of this project simultaneously. The default value is false. A value of false ensures that only one instance of the project is active at any given time.