-import org.asamk.signal.AttachmentInvalidException;
-import org.asamk.signal.GroupIdFormatException;
-import org.asamk.signal.GroupNotFoundException;
-import org.asamk.signal.NotAGroupMemberException;
+import org.asamk.signal.manager.AttachmentInvalidException;
+import org.asamk.signal.manager.GroupNotFoundException;
+import org.asamk.signal.manager.NotAGroupMemberException;
+import org.asamk.signal.util.GroupIdFormatException;