Blank when drilling down in chart

I have an issue with see the data when drilling down I have 1 table with data, e.g. case number, actions etc. lets call it main_Data then i have 1 with employee and then another with organization info and there is a relationship between Organization and Employee and a relationship between Employee and main_Data table then i make a measure on cases without actions and - show it on a chart and i like to drill see the departments on different level and at the end drill down to the name of the employee. I select the organization levels from the Organization table and employee name from the main_Data table Unforutnatly all i get is blank on organization I have cheched on a person and it is all there Did anyone else experince this ?