With version 5.0.1 of the SAP Business One connector tool, when opening theglobal configuration the following error occurs:
System.ArgumentException: The tasks argument contains no tasks
This is a known issue of version 5.0.1. The error occurs when there are no existing connections present in the connector tool global configuration.
Ignoring the error will still allow access to the global configuration.
Create a connection to a database after which the error will no longer appear.