Unable to delete the VNA integration from the VNA administration page

Products

• Network Observability
• Spectrum
• Virtual Network Assurance

Issue/Introduction

Deleting the VNA integration from the VNA administration page is failing.

Errors seen when attempting to delete in the Tomcat catalina.out/stdout.log

MMM DD, YYYY HH:MM:SS.### - IOException: Connection refused: connect
MMM DD, YYYY HH:MM:SS.### - Could not fetch the model handle of the selected VNA : java.lang.NumberFormatException: For input string: "########"

Environment

DX NetOps Spectrum all supported releases

Resolution

Delete the SDN gateway models from OneClick.
This also remove's them from the administration page

Additional Information

NOTE: This deletes all VNA items associated to the gateway