I spent 2 hours looking for this typo :-D

diff --git a/lib/accesslib.php b/lib/accesslib.php
index 1816143a0a2c89b80eeb4caaf950395e39e45d8e..d07096f2f9b5ce550077b104a2f1cfc3dcb5f1be 100755 (executable)
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -607,7 +607,7 @@ function load_user_capability($capability='', $context ='', $userid='') {
     // now we don't care about the huge array anymore, we can dispose it.
     unset($capabilities);
     
-    if (!empty($otheruseid)) {
+    if (!empty($otheruserid)) {
         return $usercap; // return the array  
     }
     // see array in session to see what it looks like