2
well, if you are using 2.0 then you probably did not uploadd the "Frameworks" folder, which comes with cbb and other various phpp modules.
Read the readme's.
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If you are using 2.2 chances are that you uploaded the module inside of another folder.
ams/ams/*.* will not work
ams/*.* will.
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If neither of these are the case, try giving us more info, like for example XOOPS version, and modules.*/