SSIS Precedence Constraint Expression not working -

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i have int variable user::filelinecount scoped in loop container , in task within loop, want proceed task depending in variable's value.

in precedence constraint editor have chosen evaluation operation expression , expression @filelinecount!=0. there version other task @filelinecount==0. when debug, can see user::filelinecount value 0 when step on task unable step. not implemented. error.

thanks help

edit: apparently debugger not step on reason error conditions still not work properly.

edit2:one constraint

the other 1 @filelinecount==0. doesnt work without or'in in picture.


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