New Main Screen Broke my application

I created a new main Screen
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and it broke my application

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    > Task :compileJava

Enhancing entities in root project ‘natlis’ for source set ‘main’
Project entities:
JPA: [com.natlis.lis.entity.Organism, com.natlis.lis.entity.KitType, com.natlis.lis.entity.BatchSupply, com.natlis.lis.entity.OrderKits, com.natlis.lis.entity.BatchAmplicon, com.natlis.lis.entity.Assay, com.natlis.lis.entity.BatchSampleTestAssay, com.natlis.lis.entity.BenefitProviderLocation, com.natlis.lis.entity.InstrumentAssay, com.natlis.lis.entity.OrderSample, com.natlis.lis.entity.PatientMedication, com.natlis.lis.entity.TestProfile, com.natlis.lis.entity.Client, com.natlis.lis.entity.PatientAllergy, com.natlis.lis.entity.SupplyCategory, com.natlis.lis.entity.BillingStatus, com.natlis.lis.entity.BatchAttachment, com.natlis.lis.entity.CategoryIncident, com.natlis.lis.entity.SupplyType, com.natlis.lis.entity.Template, com.natlis.lis.entity.TestAssay, com.natlis.lis.entity.SampleAssay, com.natlis.lis.entity.TicketFile, com.natlis.lis.entity.Address, com.natlis.lis.entity.Alert, com.natlis.lis.entity.Email, com.natlis.lis.entity.PatientRelationship, com.natlis.lis.entity.OrderLog, com.natlis.lis.entity.Invoice, com.natlis.lis.entity.InvoiceTerm, com.natlis.lis.entity.PatientEthnicity, com.natlis.lis.entity.OrderNotification, com.natlis.lis.entity.BatchAssay, com.natlis.lis.entity.Ethnicity, com.natlis.lis.entity.DataPipeline, com.natlis.lis.entity.BenefitProviderType, com.natlis.lis.entity.OrderTestProfile, com.natlis.lis.entity.User, com.natlis.lis.entity.BenefitProviderClaim, com.natlis.lis.entity.ClientContact, com.natlis.lis.entity.OrderTest, com.natlis.lis.entity.SupplyGroup, com.natlis.lis.entity.ContainerType, com.natlis.lis.entity.Priority, com.natlis.lis.entity.Country, com.natlis.lis.entity.Sample, com.natlis.lis.entity.Plate, com.natlis.lis.entity.BatchSheetTemplate, com.natlis.lis.entity.MarketingRepresentative, com.natlis.lis.entity.DataConverterProcessorRule, com.natlis.lis.entity.BatchType, com.natlis.lis.entity.PatientFile, com.natlis.lis.entity.Project, com.natlis.lis.entity.TicketType, com.natlis.lis.entity.Amplicon, com.natlis.lis.entity.KitCardType, com.natlis.lis.entity.SampleTest, com.natlis.lis.entity.BatchSample, com.natlis.lis.entity.OrderComment, com.natlis.lis.entity.BatchPlate, com.natlis.lis.entity.TicketCategory, com.natlis.lis.entity.BatchTemplate, com.natlis.lis.entity.OrderFile, com.natlis.lis.entity.AlertType, com.natlis.lis.entity.PatientImmunization, com.natlis.lis.entity.LocationType, com.natlis.lis.entity.SampleDelivery, com.natlis.lis.entity.SampleLabel, com.natlis.lis.entity.PhysicianLocation, com.natlis.lis.entity.ClientAddress, com.natlis.lis.entity.BatchFile, com.natlis.lis.entity.OrderQuestion, com.natlis.lis.entity.OrderBatch, com.natlis.lis.entity.AssayGroup, com.natlis.lis.entity.Instrument, com.natlis.lis.entity.Patient, com.natlis.lis.entity.Order, com.natlis.lis.entity.DataPipelineTransformerParameter, com.natlis.lis.entity.PhysicianPatient, com.natlis.lis.entity.PhysicianMarketingRep, com.natlis.lis.entity.PatientHistory, com.natlis.lis.entity.Ticket, com.natlis.lis.entity.Medication, com.natlis.lis.entity.InvoiceOrder, com.natlis.lis.entity.PatientPhysician, com.natlis.lis.entity.PhysicianSpecialty, com.natlis.lis.entity.DataPipelineTransformer, com.natlis.lis.entity.DataTransformerType, com.natlis.lis.entity.BenefitProvider, com.natlis.lis.entity.OrderIcd, com.natlis.lis.entity.Department, com.natlis.lis.entity.Allergy, com.natlis.lis.entity.Insurance, com.natlis.lis.entity.Kit, com.natlis.lis.entity.Supply, com.natlis.lis.entity.Parent, com.natlis.lis.entity.Physician, com.natlis.lis.entity.Facility, com.natlis.lis.entity.Immunization, com.natlis.lis.entity.BatchInstrument, com.natlis.lis.entity.ProjectStatus, com.natlis.lis.entity.Batch, com.natlis.lis.entity.BillingType, com.natlis.lis.entity.DataTransformer, com.natlis.lis.entity.TestProfileList, com.natlis.lis.entity.OrderEventType, com.natlis.lis.entity.DataConverterHeaderTarget, com.natlis.lis.entity.ReagentControl, com.natlis.lis.entity.ProjectFile, com.natlis.lis.entity.Rack, com.natlis.lis.entity.FacilityType, com.natlis.lis.entity.OrderRemark, com.natlis.lis.entity.FacilityLocation, com.natlis.lis.entity.ClientType, com.natlis.lis.entity.Form, com.natlis.lis.entity.SampleBatch, com.natlis.lis.entity.OrderIncident, com.natlis.lis.entity.PatientHistoryType, com.natlis.lis.entity.PatientInsurance, com.natlis.lis.entity.TicketComment, com.natlis.lis.entity.ClientPhysician, com.natlis.lis.entity.ProjectSample, com.natlis.lis.entity.BatchComment, com.natlis.lis.entity.Container, com.natlis.lis.entity.OrderEvent, com.natlis.lis.entity.Courier, com.natlis.lis.entity.PatientPhysicalActivity, com.natlis.lis.entity.PatientSymptom, com.natlis.lis.entity.SampleContainer, com.natlis.lis.entity.PhysicianClient, com.natlis.lis.entity.SampleTestAssay, com.natlis.lis.entity.Relationship, com.natlis.lis.entity.BatchTypeSupplyType, com.natlis.lis.entity.Measure, com.natlis.lis.entity.NotificationType, com.natlis.lis.entity.ClientFile, com.natlis.lis.entity.Test, com.natlis.lis.entity.OrderStatus, com.natlis.lis.entity.Shipment, com.natlis.lis.entity.SampleType];
DTO: [];
Project converters: [].
Running EclipseLink enhancer in root project ‘natlis’ for source set ‘main’

Hi,

UnsupportedClassVersionError means that you have compiled your class with Java 11, and then trying to run it with Java 8 (or other lesser version).

Check you JDK settings, Gradle settings, Jmix Application run configuration settings.

thank you I found the SDK was not java 11 so I set it

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but now I get all these Warnings and in the end it still does not compile.

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/C:/Users/XXXXXXX/.gradle/caches/modules-2/files-2.1/org.codehaus.groovy/groovy/2.5.14/f0a005fb21e7bd9b7ebf04cd2ecda0fc8f3be59d/groovy-2.5.14.jar) to method java.lang.Object.finalize()

WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

I have no Idea why thi happened, It was working fine before i made that new mainScreen!