I’m very new to grafana and I’ve run across this issue when attempting to compare AIX mem and Linux mem in the same graph. The data source I’m using is Nagios. Below is what I’m getting as the system response from the error
Runtime Message <div class=“pagebody”> <table class=“body”> <tbody><tr valign=“top”><td> <div class=“left ui-widget”> <div class=“p2 ui-widget-header ui-corner-top”> PNP4Nagios Version 0.6.26</div> <div class=“p4 ui-widget-content ui-corner-bottom”> <div class=“ui-state-error ui-corner-all”> <h3>Please check the documentation for information about the following error.</h3> <p>Trying to get property of non-object</p> <h3>file [line]:</h3> <p><tt>application/controllers/api.php <strong>[239]:</strong></tt></p> <p> <a>back</a> </p></div> </div> </div></td><td> <div class=“right”> <div class=“ui-widget”> <div class=“p2 ui-widget-header ui-corner-top”> Actions</div> <div class=“p4 ui-widget-content ui-corner-bottom”> <a title=“back”><img class=“icon” src="/pnp4nagios/media/images/back.png"></a> <a title=“View Graphs” href="/pnp4nagios/graph"><img class=“icon” src="/pnp4nagios/media/images/home.png"></a> <a title=“View Documentation” href="/pnp4nagios/docs"><img class=“icon” src="/pnp4nagios/media/images/docs.png"></a> </div> </div> </div> </td></tr> <tr valign=“top”><td colspan=“2”> <div class=“left”> <div class=“cb p4 ui-widget-content ui-corner-all”> pnp4nagios-0.6.26 [ 08-21-2017 ]</div> </div> </td></tr></tbody></table> </div>