SSO Integration>New UI>Charleys>Wrong message is displaying after waiving Accident plan

Company - Charleys For HSPL
Env - Preprod
Test Employee - TestV HSPLTest (XXXXX0060)

1] Login to the application as a employee.
2] Traverse OE/New Hire mode.
3] Navigate to Enroll Now page.
4] Enroll in Trustmark plan - Accidental Insurance Enhanced
5] Once enrollment is done, cost is displaying at WorkTerra.
6] Waive the plan from Trustmark.
7] Employee redirects to WorkTerra.

Actual Result:
1] "Enrollment data has been updated successfully" display at WorkTerra end, which is not correct.
2] Also When employee clicks on "Review Plan" button again, instead of redirecting to Trustmark SSO window above mentioned message is keep displaying.

Refer below screenshot and attached error log for more details.

ErrorLog.txt

Cc: Prasad Pise, Rakesh Roy