1-16 - There are unsupported categories
Possible Reason
When the registration center changes, the corresponding listener will be notified. If the category is illegal during notify, 1-16 errors will be generated.
Troubleshooting and resolution steps
This error is an internal error of Dubbo. If you encounter it, you can create an Issue on github and provide the error information and steps to reproduce it. We will help you solve the problem.
Dubbo Community
Last modified January 3, 2023: Merge error code 3-3 to 3-8, 6-4 to 99-0. (#1796) (a687d30ae03)