Unable to login with CostumID on UWP build

Hello everyone, with my team we are publishing an educational game for multiple platforms, in the build for ios and android we had no problem with playfab and everything went according to plan. Instead, once we created the build for uwp we immediately noticed that we could not log in in any way. I tried to find out if this problem had already happened to someone but I have not found answers that have been able to help me.

Title ID: DCC53

Logs:

Error while logging

UnityEngine.Logger:Log(LogType, Object)

UnityEngine.Debug:Log(Object)

PlayfabManager:OnErrorLogin(PlayFabError)

PlayFab.Events.PlayFabResultEvent`1:Invoke(TResult)

PlayFab.Internal.PlayFabUnityHttp:OnResponse(String, CallRequestContainer)

PlayFab.Internal.<Post>d__12:MoveNext()

UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)

/Client/LoginWithCustomID: Invalid input parameters

CustomId: CustomId value was 104 characters long which is outside of allowed length (between 0 and 100 characters).

UnityEngine.Logger:Log(LogType, Object)

UnityEngine.Debug:Log(Object)

PlayFab.Events.PlayFabResultEvent`1:Invoke(TResult)

PlayFab.Internal.PlayFabUnityHttp:OnResponse(String, CallRequestContainer)

PlayFab.Internal.<Post>d__12:MoveNext()

UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)

Setting up 3 worker threads for Enlighten.

Thread -> id: 2754 -> priority: 1

Thread -> id: 1fe0 -> priority: 1

Thread -> id: 1d50 -> priority: 1