If the table is used under particular alias, you can not use it under the same alias, you need to use different alias, e.g.

use myTable again alias newAlias in 0 shared

>I will make more tests
>When I do the tests
>I add a code in the Init Event This.nInitDataSess = this.DataSessionId
>

>o = createobject("class.dll")
>=MyMethod()
>? o.nInitDataSess && Gives 2
>=MyMethod()
>? o.nInitDataSess && Gives 3
>

>But after you answer, which I guess you are correct
>I test again and it gives 2 in the first and second run
>
>Now after more testing, the error in Select 0 but for diffrent reason
>

>Select 0
>Use Mytable shared alias par && works
>Select 0
>Use Mytable shared alias par && Fails at second run
>

>but
>

>Use Mytable shared alias par && Works
>Use Mytable shared alias par && Works
>Use Mytable shared alias par && Works
>

>Thanks for pointing it out.