IPHONEOS_DEPLOYMENT_TARGET Out Of Range

Important:

Flutter does not support iOS versions lower then to 8.0.

Change deployment target version.

1. You want to change the target version then In the project Editor. select your app target and go to the General tab.
2. Under the Deployment Info change the target version whatever you versions want to your support. 
3. after changing the target version removing the pod folder and podlock.file and reinstall the pod and clean your project and then run your project.