update rule activation error

Hi Guys,

I have 0PSTNG_DATE as the only date field in the Transfer Structure of my InfoSource. I hadve 0CALDAY, 0FISCVARNT and OFISCPER in my InfoCube. When i try to activate my Update Rules, i am getting an error. In the TimeRef. tab of the 'Update Rule: Detail' of each keyfigure, the mappings are:

1. 0FISCVARNT - (BLANK - NO MAPPING)

2. OCALDAY - 0CALDAY

3. 0FISCPER -

For 0FISCPER, i have only 0PSTNG_DATE in the look up (source InfoObject). When i map 0FISCPER -> 0PSTNG_DATE, i get error: 'Fiscal year variant missing for time conversion of characteristic 0FISCPER'.

(Message - RSAU304)

PS: I don't have 0PSTNG_DATE in my InfoCube.

Any help is greatly appreciated.