error in uses ZAbstractRODataset and another z... Delphi XE3

[mibo4you]

I have install the Zlib but i get error in the
USES section. ZAbstractRODataset, ZAbstractDataset, ZDataset, ZAbstractConnection, ZConnection,
all this are underline in red.

what are the wrong?
pls help me. dummy.

[marsupilami]

Hello mibo4you,

it seems that the IDE cannot find the DCUs for Zeos. Check that you added the <Zeos-path>\packages\DelphiXE3\Build folder to your library search path.
Best regards,

Jan