> is there anything that i can do? and what is the reason? for me looks everything fine.
The code on the SMW website that extracts the SMW version from your wiki probably has problems with your wikis skin. Parsing this data from the HTML is inherently error prone; a better approach would be to have some API module in SMW via which the needed data can be obtained. Nothing you can really do about this, unless you have the know how of how to create such an API module and modify the registry code, or are willing to fund that work.
Jeroen De Dauw
Don't panic. Don't be evil.