Installation errors while trying to install Predict Client Churn Risk for Wealth Management CRM Analytics App

When trying to install the Predict Client Churn Risk for Wealth Management CRM Analytics App sometimes user may encounter an error as below:

'Successfully created folder [Predict - Risk for Wealth Man] with id [00lV40000005xCLIAY]
Successfully created dataset [FSC_Account_ED].
Dataflow connector sync complete
Successfully created resource type [workflow], label [Predict - Risk for Wealth Man ED Dataflow ].
Dataflow plan [0ePV40000017f2fMAA] completed with status [Success].
wave.template.AssemblyValidationException: Discovery Story Extension failed to parse ErrorMessage: 500 Server Error Cannot invoke "java.util.Map.get(Object)" because the return value of "java.util.Map.get(Object)" is null url: /v58.0/discovery/datasets/0FbV4000000YkZtKAK/0FcV4000008MMN4KAO/setup , payload: {"template":{"outcome":{"type":"text","name":"Is_Churn","displayName":"Is_Churn","success":"True","failure":"False","goal":"Minimize"},"fields":[{"type":"text","name":"FinServ__InvestmentExperience__c"},{"type":"text","name":"FinServ__InvestmentObjectives__c"},{"type":"text","name":"FinServ__MarketingSegment__c"},{"type":"text","name":"FinServ__ReviewFrequency__c"},{"type":"text","name":"FinServ__RiskTolerance__c"},{"type":"text","name":"FinServ__TimeHorizon__c"},{"type":"number","name":"FinServ__AUM__c"},{"type":"number","name":"FA.Performance1Yr"},{"type":"number","name":"FA.Performance3Yr"},{"type":"number","name":"FA.PerformanceMTD"},{"type":"number","name":"FA.PerformanceQTD"...
Creating application [Predict - Risk for Wealth Man] failed.'