Did you check the periods? There should be exactly one single 'draft' period for date 1.1.2012. The message can only occur if there is more than one period in 'draft' state for a single date, in this case 1.1.2012.
Did you check the periods? There should be exactly one single 'draft' period for date 1.1.2012.
The message can only occur if there is more than one period in 'draft' state for a single date, in this case 1.1.2012.