[TYPO3] templavoila error

[Daniel Jefferies]

I have copied the error below:

Internal Server Error
The server encountered an internal error or misconfiguration and was 
unable to complete your request.

Please contact the server administrator, webmaster at somewebserver.com and 
inform them of the time the error occurred, and anything you might have 
done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 404 Not Found error was encountered while trying to use 
an ErrorDocument to handle the request.
Apache/1.3.34 Server at www.somewebserver.com Port 80


Gideon So wrote:
> Hi Daniel,
> 
>    Can you read the web server and find out what the exact internal 
> error ii and post it here. It would help to resolve th problem.
> 
> Gideon
> 
> Daniel Jefferies wrote:
>> I'm sure this has been answered before, however it looks like the 
>> archive search is down so here goes.
>>
>> I've been trying to follow the Futuristic Template Building tutorial 
>> and  when I get to the point of calling TV from the template_page.html 
>> file I get an Internal Server Error in the far right pane.
>>
>> I also notice the following error in the root pages header.
>> Data Structure ERROR: No source value in fieldname "tx_templavoila_ds"
>>
>> My template TS was copied directly from the FTB tutorial.
>> page = PAGE
>> page.typeNum = 0
>> page.10 = USER
>> page.10.userFunc = tx_templavoila_pi1->main_page
>>
>> Does "main_page" need to be replaced with something site specific?
>>
>> What am I doing wrong?