PHP Warning: strstr() Empty delimiter HELP

Hi

my site are reporting this now, dont know why this is happing
got some attacks for a week ago or i have 10 different ips who tried to enter the admin folder. But it is changed to they did´nt find it

[Sat Apr 14 14:53:03 2012] [error] PHP Warning: strstr() [function.strstr]: Empty delimiter in /home/g/e/ftp_gezzdk/includes/functions/functions_email.php on line 110

HELP me please guys !

In your languages files you have gone and deleted the contents of the EMAIL_DISCLAIMER definition, and thus the system can't properly do its text substitution for the %s value in that definition.
Restore that definition to its original state and that error will stop.

DrByte:

In your languages files you have gone and deleted the contents of the EMAIL_DISCLAIMER definition, and thus the system can't properly do its text substitution for the %s value in that definition.
Restore that definition to its original state and that error will stop.

okay, can you please tell me where to fix it, and whitch file?

https://www.zen-cart.com/tutorials/index.php?article=38
https://www.zen-cart.com/tutorials/index.php?article=39