How to do Allocation Schedule use only Statistical Journal Entry balance?

Hello guys! Hope you all are doing great!

We are working with Allocation Schedule but we are facing some issues with the available amount to be allocated.

This is the total of our invoice to be allocated

This is our statistical journal entry:

And this is our allocation schedule with loaded weights:

But when we'd create the journal entry, this value is not respected:

Yes, we do have balance in the same account from another transaction. But we need to filter for only the informed balance for each project in the statistical journal entry.

And like this, we are able to run over and over again the same allocation schedule for the same month that another journal will be created. So, it looks like the balance of the accounts (accounting and statistical accounts) are not beign verified