This warning flags nodes that are currently using default values to ensure you haven't forgotten to configure them. A common example is a Timer Trigger with an unmodified Duration property with the default 4000 ms.
To check which node generated the error, double-click the warning message. If the default setting is intentional, no action is required.
To check which node generated the error, double-click the warning message. If the default setting is intentional, no action is required.