api for unlink mindmaps

wise-webapp/src/main/java/com/wisemapping/exceptions/LabelMindmapRelationshipNotFoundException.java

@@ -0,0 +1,20 @@
+package com.wisemapping.exceptions;
+
+import org.jetbrains.annotations.NotNull;
+
+public class LabelMindmapRelationshipNotFoundException extends ClientException {
+
+    private static final String MSG_KEY = "LABEL_MINDMAP_RELATION_NOT_BE_FOUND";
+
+    public LabelMindmapRelationshipNotFoundException(@NotNull String msg)
+    {
+        super(msg,Severity.WARNING);
+    }
+
+    @NotNull
+    @Override
+    protected String getMsgBundleKey() {
+        return MSG_KEY;
+    }
+
+}