uddeIM for joomla 2.5?

uddeIM 2.5 - Joomla 2.5 -> didn't work
uddeIM 2.6 - Joomla 2.5 -> works!
uddeIM 2.6 - Joomla 2.5.1 -> DIDN'T WORK

What is the problem? Can you post the exact error please?

there is no error, just a plane site. if i deactivate the notifier module, the site loads normal. i have a clone of my site running for testing the compatibility of the site with J 2.5.1, PM me if you wanna have the URL

Info:
Joomla 2.5.1
Template: Top Allrounder V.1.6 (the new one)
UddeIM 2.6 (inkl. all Modules V.2.6!)

So it is not uddeIM but the notifier module?
Could you post the details to ssl(at)gmx(dot)de please?

When you have upgraded uddeIM have you recreated the menu link to the main component? If not uddeIM might use a wrong ItemID.

Du bist Deutscher? ich bin Schweizer
yes, the notifier Module from uddeIM!

No, i didn't, i will check it
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i have no menue entry for uddeIM, i use just the notifier module. I checked the mailbox module and the main component over a menue link, works both but not the notifier module.