Hello Ander!
You must use syntax:
replace GRUPOS.COD_GRU with ALLTRIM(GRUPOS.COD_GRU)
Have a happy day
Vladimir Shevchenko
> My sintax is GRUPOS.COD_GRU=ALLTRIM(GRUPOS.COD_GRU)
* Human is a question asked by birth and answered by death. Machine is another kind of question with another kind of answer
