Hi Experts,
I'm trying to convert a number to a text using a business rule.
The number is stored in a member with data type as follows:

And the destination text member is defined as data type "text".
I've been using the following function:
"TextMember"=@CalcMgrDoubleToString("NumbMember");
But I'm receiving the following error when I validate the business rule:

What am I doing wrong?
Many Thanks in advance and Best Regards,