[TYPO3-english] TemplaVoila ERROR: Couldn't find Template Object with UID "1".

[ktt]

Hello.

I updated Templavoila to 1.5.4 and TYPO3 from 4.4.6 to 4.5.2 and
getting this trivial TemplaVoila error:

Couldn't find Template Object with UID "1".
Please make sure a Template Object is accessible.

But in root page properties "Page Template Structure:" and 
"Use Template Design:" have their values selected and I don't have TO
with uid "1" ...

Log file reports on page opening:
Core: Exception handler (WEB): Uncaught TYPO3 Exception: The page is not configured! [type= 100][] | RuntimeException thrown in file /www/htdocs/bb1812/typo3_src-4.5.2/typo3/sysext/cms/tslib/class.tslib_fe.php in line 2067

Maybe I made some errors while upgrading?
Thank you in advance.

Kast A.