Description of problem:
When you add a repository and it appears on the UI, you try to rename it and an error appear on log file and have not been renamed, but UI says Ok.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Go to Automate > Ansible > Repositories
2. Create a respository and save
3. Rename the repository and save

Actual results:
On the UI, not error and finish Ok
On logfile:

[----] I, [2017-04-06T15:38:18.942719 #17247:3ed12c]  INFO -- : MIQ(MiqGenericWorker::Runner#worker_monitor_drb) MIQ(MiqGenericWorker::Runner) Initializing DRb Connection to MiqServer with ID=[1000000000001], NAME=[EVM], PID=[14267], GUID=[254d5f90-1ac7-11e7-862e-001a4a2e9893] DRb URI=[druby://127.0.0.1:34387]
[----] I, [2017-04-06T15:38:18.961358 #17275:3ed12c]  INFO -- : MIQ(MiqScheduleWorker::Runner#do_work) Number of scheduled items to be processed: 2.
[----] I, [2017-04-06T15:38:18.973592 #17275:3ed12c]  INFO -- : MIQ(MiqQueue.put) Message id: [1000000003018],  id: [], Zone: [default], Role: [], Server: [254d5f90-1ac7-11e7-862e-001a4a2e9893], Ident: [generic], Target id: [], Instance id: [], Task id: [], Command: [Session.check_session_timeout], Timeout: [600], Priority: [90], State: [ready], Deliver On: [], Data: [], Args: []
[----] I, [2017-04-06T15:38:18.982307 #17275:3ed12c]  INFO -- : MIQ(MiqQueue.put) Message id: [1000000003019],  id: [], Zone: [default], Role: [smartstate], Server: [], Ident: [generic], Target id: [], Instance id: [], Task id: [job_dispatcher], Command: [JobProxyDispatcher.dispatch], Timeout: [600], Priority: [20], State: [ready], Deliver On: [], Data: [], Args: []
[----] E, [2017-04-06T15:38:19.569748 #17265:3ed12c] ERROR -- : MIQ(MiqQueue#deliver) Message id: [1000000003017], Error: [undefined method `authentication_id=' for #<AnsibleTowerClient::Project:0x0000000e92eb00>]
[----] E, [2017-04-06T15:38:19.570649 #17265:3ed12c] ERROR -- : [NoMethodError]: undefined method `authentication_id=' for #<AnsibleTowerClient::Project:0x0000000e92eb00>  Method:[rescue in deliver]
[----] E, [2017-04-06T15:38:19.570767 #17265:3ed12c] ERROR -- : /opt/rh/cfme-gemset/gems/ansible_tower_client-0.10.0/lib/ansible_tower_client/base_model.rb:88:in `block in update_attributes!'
/opt/rh/cfme-gemset/gems/ansible_tower_client-0.10.0/lib/ansible_tower_client/base_model.rb:84:in `each'
/opt/rh/cfme-gemset/gems/ansible_tower_client-0.10.0/lib/ansible_tower_client/base_model.rb:84:in `update_attributes!'
/var/www/miq/vmdb/app/models/manageiq/providers/ansible_tower/shared/automation_manager/configuration_script_source.rb:56:in `block in update_in_provider'
/var/www/miq/vmdb/app/models/provider.rb:49:in `with_provider_connection'
/var/www/miq/vmdb/app/models/manageiq/providers/ansible_tower/shared/automation_manager.rb:5:in `with_provider_connection'
/var/www/miq/vmdb/app/models/manageiq/providers/ansible_tower/shared/automation_manager/configuration_script_source.rb:55:in `update_in_provider'
/var/www/miq/vmdb/app/models/miq_queue.rb:347:in `block in deliver'
/opt/rh/rh-ruby23/root/usr/share/ruby/timeout.rb:91:in `block in timeout'
/opt/rh/rh-ruby23/root/usr/share/ruby/timeout.rb:33:in `block in catch'
/opt/rh/rh-ruby23/root/usr/share/ruby/timeout.rb:33:in `catch'
/opt/rh/rh-ruby23/root/usr/share/ruby/timeout.rb:33:in `catch'
/opt/rh/rh-ruby23/root/usr/share/ruby/timeout.rb:106:in `timeout'
/var/www/miq/vmdb/app/models/miq_queue.rb:343:in `deliver'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:107:in `deliver_queue_message'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:135:in `deliver_message'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:153:in `block in do_work'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:147:in `loop'
/var/www/miq/vmdb/app/models/miq_queue_worker_base/runner.rb:147:in `do_work'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:334:in `block in do_work_loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:331:in `loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:331:in `do_work_loop'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:153:in `run'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:128:in `start'
/var/www/miq/vmdb/app/models/miq_worker/runner.rb:21:in `start_worker'
/var/www/miq/vmdb/app/models/miq_worker.rb:339:in `block in start_runner'
/opt/rh/cfme-gemset/gems/nakayoshi_fork-0.0.3/lib/nakayoshi_fork.rb:24:in `fork'
/opt/rh/cfme-gemset/gems/nakayoshi_fork-0.0.3/lib/nakayoshi_fork.rb:24:in `fork'
/var/www/miq/vmdb/app/models/miq_worker.rb:337:in `start_runner'
/var/www/miq/vmdb/app/models/miq_worker.rb:348:in `start'
/var/www/miq/vmdb/app/models/miq_worker.rb:266:in `start_worker'
/var/www/miq/vmdb/app/models/miq_worker.rb:150:in `block in sync_workers'
/var/www/miq/vmdb/app/models/miq_worker.rb:150:in `times'
/var/www/miq/vmdb/app/models/miq_worker.rb:150:in `sync_workers'
/var/www/miq/vmdb/app/models/miq_server/worker_management/monitor.rb:53:in `block in sync_workers'
/var/www/miq/vmdb/app/models/miq_server/worker_management/monitor.rb:50:in `each'
/var/www/miq/vmdb/app/models/miq_server/worker_management/monitor.rb:50:in `sync_workers'
/var/www/miq/vmdb/app/models/miq_server.rb:160:in `start'
/var/www/miq/vmdb/app/models/miq_server.rb:251:in `start'
/var/www/miq/vmdb/lib/workers/evm_server.rb:65:in `start'
/var/www/miq/vmdb/lib/workers/evm_server.rb:91:in `start'
/var/www/miq/vmdb/lib/workers/bin/evm_server.rb:4:in `<main>'


Expected results:
Work fine

Additional info: