EBS 12.1.3-Internal url redirects to external url-isupplier page

Hello Experts,

Internal url redirects to external url-isupplier page. After adding external nodes , we are facing issue with Internal url redirects to external url-isupplier page in EBS 12.1.3

I have verified the below profile options with working instance, all the values looks good. Kindly suggest.

('APPS_WEB_AGENT',

'APPS_SERVLET_AGENT',

'APPS_JSP_AGENT',

'APPS_FRAMEWORK_AGENT',

'ICX_FORMS_LAUNCHER',

'ICX_DISCOVERER_LAUNCHER',

'ICX_DISCOVERER_VIEWER_LAUNCHER',

'HELP_WEB_AGENT',

'APPS_PORTAL',

'CZ_UIMGR_URL',

'QP_PRICING_ENGINE_URL',

'TCF:HOST')