Activation error with 0CALMONTH.

Hi Experts,

I am using 0CALMONTH in my cubes,

But it is in inactive condition. From BI content also I am unable to activate this objecet.

Please find the attached error description.

with this at the time of loading data to cubes it is showing the SID error for 0CALMONTH.

Please help me.

Thanks in advance.