Prime Ingfrastructure 2.0.0.0.294 WLC Error

[Ahmed Ayaad]

Dears,

I upgrade WISM2 from 7.4.100.0 to 7.4.121.0 , and when i tried to access it from prime 2.0.0.0.294  faced this error(Attached Photo)

please if this related to upgrade? after i search see the same error in PI 1.2 and solved after delete the WLC and Added again to controller.

please wait any feed back if i delete the controller and add it again the problem will solve and i can access it ?

Thanks,

[Saurav Lodh]

Solution is here

https://supportforums.cisco.com/discussion/11830531/prime-infrastructure-12-wlc-error