BI 7.0 Only 16 authorization relevant characteristics

Hello,

I've created a query on HR data in BI 7.0. I get an error message that tells me 'This query is intended for characteristics for authorization checks. Only 16 are permitted though.' I've counted and recounted and I only have 16 characteristics that are marked as authorization relevant. I have even gone as far as to take out the other characteristics one by one to see which one the system thinks is authorization relevant and none of them seem to be the one (I still get the error message when I remove them one at a time). If I take out any one of the characteristics that I know are authorization relevant then the query runs. So, is 16 the max? or is 15 the max? Has anyone else hit this issue and what have you done? With HR data, there are a lot of sensitive fields that need to be checked.

Thanks,

Diane Merrill