diff --git a/enzevalos_iphone/SwiftUI/Inbox/categorized/Home.swift b/enzevalos_iphone/SwiftUI/Inbox/categorized/Home.swift
index edfe86eca84aff2b0b604704d5502d02910f3c5c..da6db7944f2b6d5ffdd8fd466e26e68906950855 100644
--- a/enzevalos_iphone/SwiftUI/Inbox/categorized/Home.swift
+++ b/enzevalos_iphone/SwiftUI/Inbox/categorized/Home.swift
@@ -51,6 +51,9 @@ struct InboxHome: View {
     var body: some View {
         NavigationView{
             VStack{
+                #if DEBUG //&& false
+                Button(action: {PersistentDataProvider.dataProvider.resetCategories()}, label: {Text("reset")})
+                #endif
                 topSection
                 if controller.isHome{ whenHome }else{ whenNotHome }
             }//.animation(.easeInOut)
diff --git a/enzevalos_iphone/persistentData/DataModel.xcdatamodeld/DataModel2.xcdatamodel/contents b/enzevalos_iphone/persistentData/DataModel.xcdatamodeld/DataModel2.xcdatamodel/contents
index 86587bd19bd9a79f75db10ee112f50625cee4d25..6a049066770ae72d015ed0741f4acca75b3cd1c7 100644
--- a/enzevalos_iphone/persistentData/DataModel.xcdatamodeld/DataModel2.xcdatamodel/contents
+++ b/enzevalos_iphone/persistentData/DataModel.xcdatamodeld/DataModel2.xcdatamodel/contents
@@ -75,7 +75,7 @@
         <relationship name="ccAddresses" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="AddressRecord" inverseName="inCCField" inverseEntity="AddressRecord"/>
         <relationship name="decryptionKey" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="SecretKeyRecord" inverseName="decryptedMails" inverseEntity="SecretKeyRecord"/>
         <relationship name="fromAddress" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="AddressRecord" inverseName="inFromField" inverseEntity="AddressRecord"/>
-        <relationship name="inCategory" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="CategoryRecord"/>
+        <relationship name="inCategory" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="CategoryRecord"/>
         <relationship name="includedAttachments" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="AttachmentRecord" inverseName="isPartOfMail" inverseEntity="AttachmentRecord"/>
         <relationship name="inFolder" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="FolderRecord" inverseName="mailsInFolder" inverseEntity="FolderRecord"/>
         <relationship name="signatureKey" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="PublicKeyRecord" inverseName="signedMails" inverseEntity="PublicKeyRecord"/>
diff --git a/enzevalos_iphone/persistentData/PersistentDataProvider.swift b/enzevalos_iphone/persistentData/PersistentDataProvider.swift
index f953d869afdbde7d483bb704611f457e8090135c..0ef76ba3351f44348b611de72ef340dd38e65acd 100644
--- a/enzevalos_iphone/persistentData/PersistentDataProvider.swift
+++ b/enzevalos_iphone/persistentData/PersistentDataProvider.swift
@@ -540,6 +540,18 @@ class PersistentDataProvider {
         
     }
     
+    func resetCategories(){
+        let fetchRequest = NSFetchRequest<NSFetchRequestResult>(entityName: CategoryRecord.entityName)
+        let deleteRequest = NSBatchDeleteRequest(fetchRequest: fetchRequest)
+        do {
+          try self.newTaskContext().execute(deleteRequest)
+            debugPrint("Deleted Entitie - ", CategoryRecord.entityName)
+        } catch let error as NSError {
+            debugPrint("Delete ERROR \(CategoryRecord.entityName)")
+            debugPrint(error)
+        }
+    }
+    
     func reset(){
         persistentContainer.viewContext.reset()
     }