[TYPO3] new extensions results in empty pages, how to track it down?

[Ronald Wiplinger]

I tried some new extensions, and now all is empty. Here is the log:

*Time* 		*User* 		*Type* 		*E* 		*Action* 		*Details*
16:30 		admin at -99 		LOGIN 		
		LOGIN 		User admin logged in from 59.124.210.34
(59-124-210-34.hinet-ip.hinet.net) (msg#255.1.1)
. 		admin at LIVE 		. 		
		LOGOUT 		User admin logged out from TYPO3 Backend (msg#255.2.1)
16:23 		. 		DB 		
		Insert 		Record '' (tt_content:18) was inserted on page 'Contact us'
(46) (msg#1.1.10)
16:22 		. 		. 		
		Update 		Record '' (tt_content:17) was updated. Changes in fields:
/hidden,l18n_diffsource/.
<http://the-solvers.net/typo3/show_rechis.php?sh_uid=93&returnUrl=%2Ftypo3%2Fmod.php%3FM%3Dtools_log>
(msg#1.2.10)
16:20 		. 		. 		
		Insert 		Record '' (tt_content:17) was inserted on page 'Contact us'
(46) (msg#1.1.10)
16:16 		. 		[5] 		
		[5_1] 		Extension list has been changed, extension pil_mailform has
been installed
15:46 		. 		. 		
		. 		Extension list has been changed, extension tt_products has been
installed
15:45 		. 		. 		
		. 		Extension list has been changed, extension kj_imagelightbox2 has
been installed
15:44 		. 		. 		
		. 		Extension list has been changed, extension irfaq has been installed
15:36 		admin at -99 		LOGIN 		
		LOGIN 		User admin logged in from 59.124.210.34
(59-124-210-34.hinet-ip.hinet.net) (msg#255.1.1)
. 		admin at LIVE 		. 		
		LOGOUT 		User admin logged out from TYPO3 Backend (msg#255.2.1)
15:19 		. 		[5] 		
		[5_1] 		Extension list has been changed, extension ter_update_check
has been installed
. 		. 		. 		
		. 		Extension list has been changed, extension ve_guestbook has been
installed
15:17 		. 		. 		
		. 		Extension list has been changed, extension
da_newsletter_subscription has been installed
15:16 		. 		. 		
		. 		Extension list has been changed, extension phpmyadmin has been
installed
15:14 		. 		. 		
		. 		Extension list has been changed, extension cc_awstats has been
installed
15:12 		. 		. 		
		. 		Extension list has been changed, extension imagelist has been
installed
15:08 		. 		FILE 		
		Upload 		Uploading file "Ronald.jpg" to "Ronald.jpg" (msg#2.1.1)
15:07 		. 		. 		
		New 		Directory "Image_Archive" created in "fileadmin" (msg#2.6.1)
14:54 		. 		DB 		
		Insert 		Record 'www.the-solvers.net' (sys_domain:1) was inserted on
page 'Root page' (1) (msg#1.1.10)



How to fix that?

bye

R.