Index: trunk/core/kernel/utility/unit_config_reader.php
===================================================================
diff -u -r4590 -r4594
--- trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 4590)
+++ trunk/core/kernel/utility/unit_config_reader.php	(.../unit_config_reader.php)	(revision 4594)
@@ -146,7 +146,10 @@
 
 		function findConfigFiles($folderPath)
 		{
-			$folderPath = str_replace(FULL_PATH, '', $folderPath); // this make sense, since $folderPath may NOT contain FULL_PATH
+			// if FULL_PATH = "/" ensure, that all "/" in $folderPath are not deleted
+			$reg_exp = '/^'.preg_quote(FULL_PATH, '/').'/';
+			$folderPath = preg_replace($reg_exp, '', $folderPath, 1); // this make sense, since $folderPath may NOT contain FULL_PATH
+			
 			$fh=opendir(FULL_PATH.$folderPath);
 			while(($sub_folder=readdir($fh)))
 			{