Hi Max,
Make use that you declare the package before use

library <libray name>
use <library name>.acq3000_pack.all

entity .......

I would help when you ask questions to post the code that has a
problem if possible.

Jon

[email protected] (Max) wrote in message news:<[email protected] com>...
> in my project I have a package. Modelsim doesn't recognize it.
>
> I can synthetize but modelsim says:
> # ERROR: adc_ctrl.vhd(6): Unknown identifier: acq3000_pack
>
> what is wrong with this?
>
> thanks