nbCanvas = 0;
nbCanvasModelBlock = 0;
nbCanvasModelSticky = 0;
nbFolder = 0;
dbModel = new DBModel(_model);
<BUG>oldId = dbModel.getModelId();
</BUG>
if ( (db = new DBSelectDatabase().open()) == null)
return;
try {

nbCanvas = 0;
nbCanvasModelBlock = 0;
nbCanvasModelSticky = 0;
nbFolder = 0;
dbModel = new DBModel(_model);
oldId = dbModel.getProjectId();
if ( (db = new DBSelectDatabase().open()) == null)
return;
try {
