Splunk Upgrade Version 8.0.4

[tinpelayee]

Hello plp, 

I am updating the version of splunk (Actually 7.3.3) to 8.0.4. 

the problem that i have is, when i started the upgrade, it upgrade perfectly, but when i want to check the web of splunk, its appear down. 

The message that i have after upgrading is this : 

Splunk> CSI: Logfiles.

Checking prerequisites...

        Checking http port [8000]: open

        Checking mgmt port [8089]: open

        Checking appserver port [127.0.0.1:8065]: open

        Checking kvstore port [8191]: open

        Checking configuration... Done.

        Checking critical directories...        Done

        Checking indexes...

                Validated: _audit _internal _introspection _metrics _telemetry _thefishbucket canales cobis controlm crm cts duenios f5 hbbe history main monitoreo openshift portales prueba_metric summary woci workflow

        Done

        Checking filesystem compatibility...  Done

        Checking conf files for problems...

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 3: display.visualizations.custom.viz_donut_c3.c3donut.expand  (value:  false).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 4: display.visualizations.custom.viz_donut_c3.c3donut.width  (value: ).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 5: display.visualizations.custom.viz_donut_c3.c3donut.label_threshold  (value:  .05).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 6: display.visualizations.custom.viz_donut_c3.c3donut.label_value  (value:  ratio).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 7: display.visualizations.custom.viz_donut_c3.c3donut.label_show  (value:  true).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 8: display.visualizations.custom.viz_donut_c3.c3donut.label_format  (value:  %).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 9: display.visualizations.custom.viz_donut_c3.c3donut.legend_show  (value:  true).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 10: display.visualizations.custom.viz_donut_c3.c3donut.legend_position  (value:  bottom).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 11: display.visualizations.custom.viz_donut_c3.c3donut.tooltip_value  (value:  default).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 12: display.visualizations.custom.viz_donut_c3.c3donut.tooltip_show  (value:  true).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/viz_donut_c3/default/savedsearches.conf, line 13: display.visualizations.custom.viz_donut_c3.c3donut.tooltip_format  (value:  %).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 2: display.visualizations.custom.wordcloud_app.wordcloud.useColors  (value:  true).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 3: display.visualizations.custom.wordcloud_app.wordcloud.alignmentMode  (value:  horizontal).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 4: display.visualizations.custom.wordcloud_app.wordcloud.backgroundColor  (value:  #fff).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 5: display.visualizations.custom.wordcloud_app.wordcloud.colorBy  (value:  colorMode).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 6: display.visualizations.custom.wordcloud_app.wordcloud.colorMode  (value:  categorical).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 7: display.visualizations.custom.wordcloud_app.wordcloud.numOfBins  (value:  3).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 8: display.visualizations.custom.wordcloud_app.wordcloud.minColor  (value:  #f7bc38).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 9: display.visualizations.custom.wordcloud_app.wordcloud.maxColor  (value:  #d93f3c).

                Invalid key in stanza [default] in /opt/splunk/etc/apps/wordcloud_app/default/savedsearches.conf, line 10: display.visualizations.custom.wordcloud_app.wordcloud.splunkTastic  (value:  false).

Can anyone help me?