diff --git a/swad_ID.c b/swad_ID.c
index 63dd961c7..aa7f7a0f0 100644
--- a/swad_ID.c
+++ b/swad_ID.c
@@ -233,7 +233,7 @@ unsigned ID_GetListUsrCodsFromUsrID (struct UsrData *UsrDat,
 	 Str_Concat (Query," AND Confirmed='Y'",
 	             MaxLength);
 
-      ListUsrCods->NumUsrs = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get user's codes");
+      ListUsrCods->NumUsrs = (unsigned) DB_QuerySELECT (&Query,&mysql_res,"can not get user's codes");
       if (ListUsrCods->NumUsrs)
         {
 	 /***** Allocate space for the list of users' codes *****/
diff --git a/swad_attendance.c b/swad_attendance.c
index 17c397101..75ae50e32 100644
--- a/swad_attendance.c
+++ b/swad_attendance.c
@@ -2452,7 +2452,7 @@ static unsigned Att_GetNumStdsFromAListWhoAreInAttEvent (long AttCod,long LstSel
                   MaxLength);
 
 
-      NumStdsInAttEvent = (unsigned) DB_QueryCOUNT_new ("can not get number of students from a list who are registered in an event");
+      NumStdsInAttEvent = (unsigned) DB_QueryCOUNT (&Query,"can not get number of students from a list who are registered in an event");
      }
    return NumStdsInAttEvent;
   }
diff --git a/swad_changelog.h b/swad_changelog.h
index a97524a79..d98604a30 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -355,10 +355,11 @@ En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
 
-#define Log_PLATFORM_VERSION	"SWAD 18.10 (2018-10-30)"
+#define Log_PLATFORM_VERSION	"SWAD 18.10.1 (2018-10-30)"
 #define CSS_FILE		"swad18.4.css"
 #define JS_FILE			"swad17.17.1.js"
 /*
+	Version 18.10.1:  Oct 30, 2018  Fixed bugs in access to database. (235399 lines)
 	Version 18.10:    Oct 30, 2018  Fixing bugs in access to database. Not finished. (235399 lines)
 	Version 18.9.10:  Oct 30, 2018  Some sprintf for database queries changed by asprintf. (235311 lines)
 	Version 18.9.8:   Oct 30, 2018  Cleaning unused functions. (235694 lines)
diff --git a/swad_statistic.c b/swad_statistic.c
index c745f15ee..11e58898f 100644
--- a/swad_statistic.c
+++ b/swad_statistic.c
@@ -349,7 +349,7 @@ void Sta_LogAccess (const char *Comments)
       Str_Concat (Query,"')",
                   MaxLength);
 
-      DB_QueryINSERT (Query,"can not log access (comments)");
+      DB_QueryINSERT (&Query,"can not log access (comments)");
      }
 
    if (Gbl.Search.LogSearch && Gbl.Search.Str[0])
@@ -370,7 +370,7 @@ void Sta_LogAccess (const char *Comments)
       Str_Concat (Query,"')",
                   MaxLength);
 
-      DB_QueryINSERT (Query,"can not log access (search)");
+      DB_QueryINSERT (&Query,"can not log access (search)");
      }
 
    if (Gbl.WebService.IsWebService)
@@ -1484,7 +1484,7 @@ static void Sta_ShowHits (Sta_GlobalOrCourseAccesses_t GlobalOrCourse)
       Ale_ShowAlert (Ale_INFO,Query);
    */
    /***** Make the query *****/
-   NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get clicks");
+   NumRows = DB_QuerySELECT (&Query,&mysql_res,"can not get clicks");
 
    /***** Count the number of rows in result *****/
    if (NumRows == 0)
diff --git a/swad_test.c b/swad_test.c
index e2b4501b9..ca74ea424 100644
--- a/swad_test.c
+++ b/swad_test.c
@@ -2635,7 +2635,7 @@ static unsigned long Tst_GetQuestions (MYSQL_RES **mysql_res)
      }
 
    /* Make the query */
-   NumRows = DB_QuerySELECT (Query,mysql_res,"can not get questions");
+   NumRows = DB_QuerySELECT (&Query,mysql_res,"can not get questions");
 
    if (NumRows == 0)
       Ale_ShowAlert (Ale_INFO,Txt_No_questions_found_matching_your_search_criteria);
@@ -2771,7 +2771,7 @@ static unsigned long Tst_GetQuestionsForTest (MYSQL_RES **mysql_res)
       Lay_ShowAlert (Lay_INFO,Query);
 */
    /* Make the query */
-   return DB_QuerySELECT (Query,mysql_res,"can not get questions");
+   return DB_QuerySELECT (&Query,mysql_res,"can not get questions");
   }
 
 /*****************************************************************************/
diff --git a/swad_user.c b/swad_user.c
index b48dab9ce..dcb5fe6d6 100644
--- a/swad_user.c
+++ b/swad_user.c
@@ -4177,10 +4177,6 @@ static void Usr_BuildQueryToGetUsrsLstCrs (char **Query,Rol_Role_t Role)
       return;
      }
 
-   /***** Get list of groups types in current course *****/
-   if (!Gbl.Usrs.ClassPhoto.AllGroups)
-      Grp_GetListGrpTypesInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
-
    /***** Allocate space for query *****/
    if ((*Query = (char *) malloc (Usr_MAX_BYTES_QUERY_GET_LIST_USRS + 1)) == NULL)
       Lay_NotEnoughMemoryExit ();
@@ -4209,6 +4205,9 @@ static void Usr_BuildQueryToGetUsrsLstCrs (char **Query,Rol_Role_t Role)
    /***** Select users in selected groups *****/
    if (!Gbl.Usrs.ClassPhoto.AllGroups)
      {
+      /***** Get list of groups types in current course *****/
+      Grp_GetListGrpTypesInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
+
       /***** Allocate memory for list of booleans AddStdsWithoutGroupOf *****/
       if ((AddStdsWithoutGroupOf = (bool *) calloc (Gbl.CurrentCrs.Grps.GrpTypes.Num,sizeof (bool))) == NULL)
          Lay_NotEnoughMemoryExit ();
diff --git a/swad_web_service.c b/swad_web_service.c
index 0812c7063..d5a28908a 100644
--- a/swad_web_service.c
+++ b/swad_web_service.c
@@ -2779,7 +2779,7 @@ int swad__sendAttendanceUsers (struct soap *soap,
          Str_Concat (Query,")",
                      Length);
 
-      DB_QueryUPDATE (Query,"can not set other users as absent");
+      DB_QueryUPDATE (&Query,"can not set other users as absent");
 
       /* Clean table att_usr */
       Att_RemoveUsrsAbsentWithoutCommentsFromAttEvent (Att.AttCod);
@@ -3296,7 +3296,7 @@ int swad__sendMessage (struct soap *soap,
    if (ReplyUsrCod > 0 || ThereAreNicknames)	// There are a recipient to reply or nicknames in "to"
      {
       /***** Get users *****/
-      NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get users");
+      NumRows = DB_QuerySELECT (&Query,&mysql_res,"can not get users");
 
       sendMessageOut->numUsers = (int) NumRows;
       sendMessageOut->usersArray.__size = (int) NumRows;