[TYPO3-mvc] blog example (extbase extension) error in TYPO3 4.4 version

[Desh Naik]

hi

I installed the blog extension in TYPO3 4.4 version . But when i clicked 
on Create example data 
<http://localhost/launchr/feedback/thank-you/?tx_blogexample_pi1%5Baction%5D=populate&tx_blogexample_pi1%5Bcontroller%5D=Blog&cHash=48ce83a58c204651a275a2b0d7d96a17> 
link in the frontend i got the following error

*Table 'tx_blogexample_domain_model_administrator' doesn't exist
*can anybody tell me hoe to resolve this error .

Thanks regards
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