>>Thank you for your reply!
>>
>>I don't have a problem closing the form that is causing the error, the problem happens when I have several forms of the same and I start activating and deativating them, Actually I am getting this error because I kind of bulletproof my applications because users in Mexico are kind of stupid.
>>
>>I am opening the tables programatically, but I am using Object Oriented programming so I create a Cursor Object in the datasession object of my form and set all values properly, and the same thing happens with the ListBox Object, so It should not happen, any way I already gave up and I am using a private datasession and it seems to be working properly.
>>
>>Regards
>>
>>Mao
>
>Hola Mao,
>
>Creía que ya tenías una sesión privada de datos. Caso contrario, es muy dificil asumir lo que pueda ocurrir...
>
>Por si acaso, el nivel relativo de los usuarios debe ser parecido en todos paises del mundo.
>
>José

Perdón si tardé en contestar pero estaba fuera de mi Casa, pues la sesión privada parece haber arreglado el problema, aunque yo no quería utilizarla, en fin, gracias por contribuir al foro.

Mao