Rebuild index Json error

Hi!

I have a clean Quicksilver local project installed. Just after migration step, when going to Commerce Manager I have the following error when rebuilding index:

2019-09-16 20:14:57,146 [17] ERROR Mediachase.Search.Extensions.BaseCatalogIndexBuilder: Failed to index catalog entry Womens Beauty Package(755) in Fashion. Exception: System.AggregateException: One or more errors occurred. ---> Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: <. Path '', line 0, position 0.
   at Newtonsoft.Json.JsonTextReader.ParseValue()
   at Newtonsoft.Json.JsonTextReader.Read()
   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadForType(JsonReader reader, JsonContract contract, Boolean hasConverter)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
   at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
   at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
   at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
   at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value)
   at EPiServer.Reference.Commerce.Shared.CatalogIndexer.RestIndexer.<GetDocument>d__5.MoveNext() in C:\Projects\2\quicksilverLOCAL2\Quicksilver-master\Sources\EPiServer.Reference.Commerce.Shared\CatalogIndexer\RestIndexer.cs:line 89
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
   at System.Threading.Tasks.Task`1.get_Result()
   at EPiServer.Reference.Commerce.Shared.CatalogIndexer.RestIndexer.OnCatalogEntryIndex(SearchDocument& document, CatalogEntryRow entry, String language) in C:\Projects\2\quicksilverLOCAL2\Quicksilver-master\Sources\EPiServer.Reference.Commerce.Shared\CatalogIndexer\RestIndexer.cs:line 64
   at Mediachase.Search.Extensions.BaseCatalogIndexBuilder.IndexCatalogEntryDto(IndexBuilder indexer, CatalogEntryRow entryRow, String defaultCurrency, String[] languages)
   at Mediachase.Search.Extensions.BaseCatalogIndexBuilder.<>c__DisplayClass16_3.<BuildIndex>b__0(CatalogEntryDto entryDto)
---> (Inner Exception #0) Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: <. Path '', line 0, position 0.
   at Newtonsoft.Json.JsonTextReader.ParseValue()
   at Newtonsoft.Json.JsonTextReader.Read()
   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadForType(JsonReader reader, JsonContract contract, Boolean hasConverter)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
   at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
   at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
   at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
   at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value)
   at EPiServer.Reference.Commerce.Shared.CatalogIndexer.RestIndexer.<GetDocument>d__5.MoveNext() in C:\Projects\2\quicksilverLOCAL2\Quicksilver-master\Sources\EPiServer.Reference.Commerce.Shared\CatalogIndexer\RestIndexer.cs:line 89<---

Steps taken to this point:

1. Clone github Quicksilver repo
2. Change databases names in web.config and in SetupDatabases.cmd.
3. Build solution
4. Run SetupDatabases.cmd.
5. Change basePath in web.config (Site) to App_Data for the migration step to not bork up.
6. Fire up the site, login with admin@example.com/store
7. Wait for the migration to end. Migration successful
8. Change basePath back to ../appdata (for search catalog path to be the same for manager and site).
9. Open site go to mens to check if everything is ok. Looks good.
10. Go to CommerceManager tab in CMS, go to Administration > Logs > SearchIndex
11. Hit Rebuild index.
12. Every product has this error. Products no longer visible on frontend /mens or /womens

Any suggestions?

Now what possibly could be wrong here?

I would want to put a breakpoint at that RestIndexer, but visual dosnt want to hit that breakpoint, with the symbols loaded.