Reproduction steps:

1. Open "BugScriptableObjectAsset.zip" project
2. In the Project window "Right Click" -> "Create" -> "Generic Actions System" -> "ARRaycastActionAsset"
3. Notice that a warning message is printed ("No script asset for ARRaycastActionAsset. Check that the definition is in a file of the same name and that it compiles properly.")
4. Save and Reload the project
5. Select the created Asset

Expected Result: The created Scriptable Object successfully compiles and is editable in the Inspector
Actual Result: The created Scriptable Object has compile errors and is not editable in the Inspector

Reproduced with: 2019.1.0a7, 2018.3.0b8, 2018.2.14f1, 2018.1.9f2, 2017.4.14f1

Note:
No compile errors are present