[TYPO3] Cannot modify header information error

[Jozef Uhliarik]

Can anybody help me?

"Jozef Uhliarik" <uhliarik_jozef at ztsnam.sk> pí¹e v diskusním pøíspìvku 
news:mailman.1.1149844530.6498.typo3-english at lists.netfielders.de...
>I am newbie in TYPO3. I moved a content from my local server to Internet. I 
>changed charset of database from latin1 to utf8 too. Now some errors 
>appears. After clear caches all is OK but refresh or a look to subpages is 
>bad.
>
> Warning: reset() [function.reset]: Passed variable is not an array or 
> object in 
> /home/clients/ztsnam.sk/typo3_src-4.0/typo3/sysext/cms/tslib/class.tslib_content.php 
> on line 2997
>
> Warning: Variable passed to each() is not an array or object in 
> /home/clients/ztsnam.sk/typo3_src-4.0/typo3/sysext/cms/tslib/class.tslib_content.php 
> on line 3000
>
> Warning: Cannot modify header information - headers already sent by 
> (output started at 
> /home/clients/ztsnam.sk/typo3_src-4.0/typo3/sysext/cms/tslib/class.tslib_content.php:2997) 
> in 
> /home/clients/ztsnam.sk/typo3_src-4.0/typo3/sysext/cms/tslib/class.tslib_fe.php 
> on line 2767
>