I have the same issue withe the following error messages. I am using XAMPP on Windows XP.
Warning: include(/tpls/metabox-feature-options.php) [function.include]: failed to open stream: No such file or directory in C:\Blog\wp-content\plugins\wp-tabular\modules\metabox.php on line 31
Warning: include() [function.include]: Failed opening '/tpls/metabox-feature-options.php' for inclusion (include_path='.;C:\xampp\php\PEAR') in C:\Blog\wp-content\plugins\wp-tabular\modules\metabox.php on line 31
