Bug Fatal error after installation : Fatal error: Cannot redeclare clean_tabs()

[Squall Lionheart]

getting this error after installation:

Fatal error: Cannot redeclare clean_tabs() (previously declared in /home/*****/public_html/includes/class_bootstrap.php(412) : eval()'d code:121) in /home/******/public_html/dbtech/vbnavtabs/includes/functions.php on line 356

 

[Ozzy47]

Hmmm, that's a first, do you have any other navbar enhancement mods installed?