ad_remover problem

After installing the ad_remover-0.9.11

I couldn't access my website anymore, erroe message displayed:

Fatal error: Class 'JParameter' not found in /home/saudiuw1/public_html/plugins/mobile/adremover/adremover.php on line 24
Please advise me on how to fix this.

Regards
Rami

What Joomla version do you use?

Thanks for replaying.
I'm running Joomla 1.5

What version exactly? We test MJ with 1.5.15+ only.

Joomla 1.5.11

Why you don't upgrade it to 1.5.23?

I've tested the module: ad_remover-0.9.11 with: Joomla 1.6.1

And found the same problem again:
Fatal error: Class 'JParameter' not found in /home/saudiuw1/public_html/plugins/mobile/adremover/adremover.php on line 24

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I solved the problem by removing line no 24 from the file adremover.php on my server.