i can see the trust pop up on the device but unable trust that device

When click on run in xcode, i can see the trust popup on the device screen. but for turst that one i am going inside Settings>General>Device Management - i can see my developer account notification but when i click on that unable to trust that device, and i had restart my device and tried again but same issue. can any one please help me on this. Thanks!

i can see the trust pop up on the device but unable trust that device
 
 
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