Sample fails with error

[420tech]

I tried the tutorial as described and got this error:
Dotmim.Sync.SyncException
HResult=0x80131500
Message=[InternalApplyChangesAsync]..Error on table [ProductCategory]: SQLite Error 19: 'FOREIGN KEY constraint failed'.. Row:[Sync state]:ApplyModifiedFailed, [ProductCategoryID]:7c782bbe-5a16-495a-aa50-10afe5a84af2, [ParentProductCategoryID]:c657828d-d808-4aba-91a3-af2ce02300e9, [Name]:Headsets, [rowguid]:5de142e8-f2a5-4009-a455-f32714407a83, [ModifiedDate]:6/1/2002 12:00:00 AM, [IsActive]:True. ApplyType:Modified
Source=Dotmim.Sync.Core
StackTrace:
at Dotmim.Sync.SyncAgent.d__28.MoveNext()
at Dotmim.Sync.SyncAgent.d__28.MoveNext()
at Program.<

$>d__0.MoveNext() in C:\Users\timbe\source\repos\TestDotMim\TestDotMim\Program.cs:line 24

This exception was originally thrown at this call stack:
[External Code]

Inner Exception 1:
ApplyChangesException: Error on table [ProductCategory]: SQLite Error 19: 'FOREIGN KEY constraint failed'.. Row:[Sync state]:ApplyModifiedFailed, [ProductCategoryID]:7c782bbe-5a16-495a-aa50-10afe5a84af2, [ParentProductCategoryID]:c657828d-d808-4aba-91a3-af2ce02300e9, [Name]:Headsets, [rowguid]:5de142e8-f2a5-4009-a455-f32714407a83, [ModifiedDate]:6/1/2002 12:00:00 AM, [IsActive]:True. ApplyType:Modified

Inner Exception 2:
SqliteException: SQLite Error 19: 'FOREIGN KEY constraint failed'.

[Mimetis]

try with DisableConstraintsOnApplyChanges

var options = new SyncOptions { DisableConstraintsOnApplyChanges = true }

// Sync agent
SyncAgent agent = new SyncAgent(clientProvider, serverProvider, options);