Add documentation about correct usage of configure_project

RELEASE.md

@@ -53,7 +53,8 @@ Many thanks to the following Kedroids for contributing PRs to this release:
 ## Documentation changes
 * Updated the documentation for deploying a Kedro project with Astronomer Airflow.
 * Used `kedro-sphinx-theme` for documentation.
-
+* Add mentions about correct usage of `configure_project` with `multiprocessing`.
+*
 # Release 0.19.4
 
 ## Major features and improvements
@@ -82,6 +83,7 @@ Many thanks to the following Kedroids for contributing PRs to this release:
 * Added documentation on best practices for testing nodes and pipelines.
 * Clarified docs around using custom resolvers without a full Kedro project.
 
+
 ## Community contributions
 Many thanks to the following Kedroids for contributing PRs to this release:
 * [ondrejzacha](https://github.com/ondrejzacha)

docs/source/kedro_project_setup/session.md

@@ -63,3 +63,8 @@
 ### `configure_project`
 
 This function reads `settings.py` and `pipeline_registry.py` and registers the configuration before Kedro's run starts. If you have a packaged Kedro project, you only need to run `configure_project` before executing your pipeline.
+
+#### ValueError: Package name not found
+> ValueError: Package name not found. Make sure you have configured the project using 'bootstrap_project'. This should happen automatically if you are using Kedro command line interface.
+
+If you are using `multiprocessing`, you need to be careful about this. Depending on your Operating System, you may have [different default](https://docs.python.org/3/library/multiprocessing.html#contexts-and-start-methods). If the processes are `spawn`, Python will re-import all the modules in each process and thus you need to run `configure_project` again at the start of the new process. For example, this is how Kedro handle this in `ParallelRunner`(https://github.com/kedro-org/kedro/blob/9e883e6a0ba40e3db4497b234dcb3801258e8396/kedro/runner/parallel_runner.py#L84-L85)