3443621 - "Couldn't create an instance of service 'API Management, API portal' with plan 'apiportal-apiaccess'. " error occurred in subaccount

While trying to create an instance of API Portal, API management, below error occurs in subaccount:

• "Couldn't create an instance of service 'API Management, API portal' with plan 'apiportal-apiaccess'.  "
• "Service broker error: Service broker apimanagement-apiportal failed with: {"timestamp":xxxxxxx,"status":500,"error":"Internal Server Error","exception":"com.sap.apimgmt.servicebroker.exception.ServiceBrokerException","message":"\"An error occurred while creating a service instance for apiportal-apiaccess plan\".","path":"/v2/service_instances/xxxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"}".
• Service broker error: Service broker apimanagement-apiportal failed with: {"timestamp":xxxxxxx,"status":500,"error":"Internal Server Error","exception":"java.lang.NullPointerException","message":"while trying to invoke the method java.util.Map.get(java.lang.Object) of a null object loaded from local variable 'parameters'","path":"/v2/service_instances/xxxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"}

• API Management
• Integration Suite

Couldn't create an instance of service 'API Management, API portal' with plan 'apiportal-apiaccess', cannot create an instance, API Management, API portal, apiportal-apiaccess, apimanagement, An error occurred while creating a service instance for apiportal-apiaccess plan, com.sap.apimgmt.servicebroker.exception.ServiceBrokerException, ServiceBrokerException, APIM, Integration Suite , KBA , OPU-API-OD-DT , Designtime , Problem