Index: lams_tool_spreadsheet/web/common/tabbedheader.jsp
===================================================================
diff -u -rd432ad1e56c019311c8ca428ba8e08907a56077c -r70e6fe3062072e2c6188217c562a4f33f0838604
--- lams_tool_spreadsheet/web/common/tabbedheader.jsp	(.../tabbedheader.jsp)	(revision d432ad1e56c019311c8ca428ba8e08907a56077c)
+++ lams_tool_spreadsheet/web/common/tabbedheader.jsp	(.../tabbedheader.jsp)	(revision 70e6fe3062072e2c6188217c562a4f33f0838604)
@@ -13,6 +13,7 @@
 <script type="text/javascript" src="${lams}includes/javascript/jquery.tablesorter.js"></script>
 <script type="text/javascript" src="${lams}includes/javascript/jquery.tablesorter-widgets.js"></script>
 <script type="text/javascript" src="${lams}includes/javascript/jquery.tablesorter-pager.js"></script>
+<script type="text/javascript" src="${lams}includes/javascript/popper.min.js"></script>
 <script type="text/javascript" src="${lams}includes/javascript/bootstrap-material-design.min.js"></script>
 <script type="text/javascript" src="${lams}includes/javascript/bootstrap.tabcontroller.js"></script>