google app engine MV issues

[Talel Abbes]

I NEED HELP PLZ 

Operation does not satisfy the following requirements: billing-enabled {Billing must be enabled for activation of service '' in project 'civil-parsec-167022' to proceed., https://console.developers.google.com/project/civil-parsec-167022/settings} com.google.api.management.server.common.exceptions.ServiceManagementNonRetriableStorageException: Operation does not satisfy the following requirements: billing-enabled {Billing must be enabled for activation of service '' in project 'civil-parsec-167022' to proceed., https://console.developers.google.com/project/civil-parsec-167022/settings}