[TYPO3] new site - BE empty main frame

[Katja Lampela]

Dmitry Dulepov wrote:
> Hi!
> 
> Katja Lampela wrote:
>> I installed a dummy site 4.0.3, created then one page and now upgraded 
>> to 4.0.4. After upgrading I can't add or edit anything because the 
>> main frame in the right is empty every time I click on something, like 
>> New page inside, or edit icon of a be user or page properties.
>>
>> I've done db comparing and updating of reference index - and I've 
>> upgraded tens of sites now and never experienced this.
>>
>> Anyone experienced this one or any pointers where to go? Thanks!
> 
> Go to /typo3/install and enable error reporting in "All configuration". 
> See if you have any errors in the right frame...
> 
Hey great thank you Dmitry so much!!
It was date2cal extension - I uninstalled it and now everything works 
normally. Gotta report to the ext maker..
Thanks again!
Katja