Hi Ludwing, thanks for the reply.
Project adjustment makes a lot of the stuff I wont, so I will stop making the negative journals and can now make non chargeable all those posted transactions. Also, I can now correct the journals directly from this without having to manually post journals.
Although I from a different country from the mother house and consequently implementing team, I am shocked to obtain a so simple response to a problem that had "no solution".
I only can't adjust a FEE from the migration of the project to DAX as it doesn't appear on the "select transactions for adjustment". That fee was "correct" with a negative journal and that is fine as its from last year and I will filter it. Nevertheless, I can now correct all the journals I wonted.
Thank you very much.