Fix some chamilo queries

main/inc/lib/course.lib.php

@@ -3259,7 +3259,7 @@ class CourseManager
                 $tableSessionRelCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
                 $orderBy = ' ORDER BY position';
                 $extraInnerJoin = " INNER JOIN $tableSessionRelCourse src
-                                    ON (c.code = src.course_code AND session_id = $sessionId) ";
+                                    ON (c.code = src.c_id AND session_id = $sessionId) ";
             }
         }
 

main/inc/lib/tracking.lib.php

@@ -3078,7 +3078,7 @@ class Tracking
         $sql = "SELECT DISTINCT code, c_id
                 FROM $tbl_session_course sc
                 INNER JOIN $courseTable c
-                sc.c_id = c.id
+                ON sc.c_id = c.id
                 WHERE session_id= $session_id";
 
         $result = Database::query($sql);

main/inc/local.inc.php

@@ -1089,7 +1089,7 @@ if ((isset($uidReset) && $uidReset) || (isset($cidReset) && $cidReset)) {
                     $is_sessionAdmin     = true;
                 } else {
                     // Am I a session coach for this session?
-                    $sql = "SELECT id, id_coach FROM $tbl_session session
+                    $sql = "SELECT session.id, session.id_coach FROM $tbl_session session
                             INNER JOIN $tbl_session_course sc
                             ON sc.session_id = session.id
                             WHERE session.id = $session_id