When you generate a load plan, the load plan is built in the ODI Repository. A load plan must be successfully generated before it can be executed.
Load plans must be generated serially, otherwise the process fails. Do not launch a second load plan generation if one is already underway. You must wait until the first generation process completes before you launch the next generation process.
To generate load plans:
You can execute a load plan or schedule it for execution after it has been successfully generated.