Clone tags and frames

src/com/jpexs/decompiler/flash/gui/MainPanel.java

@@ -4175,6 +4175,11 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
             public void replaceTag(int index, Tag newTag) {
             }
 
+            @Override
+            public int indexOfTag(Tag tag) {
+                return -1;            
+            }
+
             @Override
             public RECT getRectWithStrokes() {
                 return getRect();