The application attempts to synchronize with the Pega Process Fabric Hub although you deleted the connection between the application and the Pega Process Fabric Hub. The synchronization fails, and users cannot create cases in the application.

The run-time configuration for queue processors, such as system run-time context, changed, or a manual action on nodes occurred. Queue processors failed to synchronize data to the Pega Process Fabric Hub. Additionally, an exception that prevents users from creating work in an application occurred.

• Ensure that your application includes no queue processors related to the Pega Process Fabric Hub:

  Choices	Actions
  Manually clean up the connection between your application and the Pega Process Fabric Hub	Delete the queue processors and other rules related to the Pega Process Fabric Hub from your application. For more information, see Manually deleting the connection between the Pega Process Fabric Hub and a remote application.
  Manually deactivate application registration in the Pega Process Fabric Hub	Log in to Dev Studio instance that stores your application as an administrator or configurator. In the header of Dev Studio, click the name of the application, and then click Definition. On the Definition tab, in the Application rulesets section, click Open next to the open top ruleset. The top ruleset is the application ruleset that stores basic information about your application. On the Versions tab, click the rule count in the All rules column, as in the following figure: In the list of rule instances, open the pyPF_IsRegistrationActive rule. On the Settings tab, in the Value per production level section, clear the check boxes for all of the production levels, as in the following figure: Click Save.

You deleted the Pega Process Fabric Hub component ruleset from your remote application, but your application still includes other rules that pertain to the Pega Process Fabric Hub. Consequently, an error occurs when users attempt to create work in your application.

• Ensure that you delete rules that correspond to the Pega Process Fabric Hub from your application. Rules that the Pega Process Fabric Hub creates in your application include a pyPF_ prefix.
  For more information, see Manually deleting the connection between the Pega Process Fabric Hub and a remote application and Deleting a rule.