After upgrading our dev instance AUS, the knowledge article could be able to create in SOW.

[SatishSuray]

After upgrading our dev instance AUS, the knowledge article could be able to create in SOW.
When clicking the New button, the popup not coming (Create article) it show page not found. Attached the prod and dev (issue in DEV since upgraded to AUS).

[Ankur Bawiskar]

@SatishSuray 

could be an upgrade issue?

Raise a case with ServiceNow

[Tanushree Maiti · Accepted solution]

Hi @SatishSuray 

Validate these two KB:

1: Refer: KB3046235 Cannot create knowledge article in TEST after upgrade to Australia release 

Resolution

Steps to Resolve
1. Navigate to System Applications > All Available Applications > All.
2. Locate the Knowledge Center plugin. (yourinstance-now.com/now/app-manager/home/app/id/48e5dbcb9f6f1210ecf142a4ba0a1c84/v/31.9.11)

3. Select the option to Repair the plugin.
4. After the repair completes, validate by creating a new Knowledge article from SOW.

Note: Repairing the plugin restored the missing kb_interceptor page and its associated macroponent and routing configuration, enabling proper functionality.

2) Refer: KB3033278 "Page Not Found" Error When Creating a New Knowledge Article from the Knowledge List in Se... 

Resolution

Repair the Knowledge Center plugin to restore the missing kb_interceptor page:

1. Navigate to System Definition > Plugins.
2. Search for Knowledge Center (plugin ID: sn_km_center).
3. Open the plugin record.
4. Click the Repair button
5. Wait for the repair process to complete.
6. Verify the fix by navigating to Service Operations Workspace > Knowledge list and clicking New. The new article creation form should now appear.

Verification: After the repair, confirm that the kb_interceptor page is present in UI Builder (Now Experience Framework > UI Builder and search for kb_interceptor in Service Operations Workspace).