Elasticsearch won't work anymore

Hi,

after apt update && apt upgrade the elasticsearch service stopps after 10 seconds.

This is in the error log:

[2019-11-26T12:52:36,451][INFO ][o.e.e.NodeEnvironment ] [lGBe4uL] using [1] data paths, mounts [[/ (rpool/data/subvol-153-disk-0)]], net usable_space [15.7gb], net total_$
[2019-11-26T12:52:36,467][INFO ][o.e.e.NodeEnvironment ] [lGBe4uL] heap size [1.9gb], compressed ordinary object pointers [true]
[2019-11-26T12:52:36,498][INFO ][o.e.n.Node ] [lGBe4uL] node name derived from node ID [lGBe4uLfSwOynGrPzhodjQ]; set [node.name] to override
[2019-11-26T12:52:36,499][INFO ][o.e.n.Node ] [lGBe4uL] version[6.8.5], pid[31708], build[default/deb/78990e9/2019-11-13T20:04:24.100411Z], OS[Linux/5.0.21-2-pv$
[2019-11-26T12:52:36,499][INFO ][o.e.n.Node ] [lGBe4uL] JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseC$
[2019-11-26T12:52:40,338][ERROR][o.e.b.Bootstrap ] [lGBe4uL] Exception
java.lang.IllegalArgumentException: Plugin [analysis-phonetic] was built for Elasticsearch version 6.7.2 but version 6.8.5 is running
at org.elasticsearch.plugins.PluginsService.verifyCompatibility(PluginsService.java:346) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.plugins.PluginsService.loadBundle(PluginsService.java:531) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.plugins.PluginsService.loadBundles(PluginsService.java:471) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.plugins.PluginsService.(PluginsService.java:163) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.node.Node.(Node.java:339) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.node.Node.(Node.java:266) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:212) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) [elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) [elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) [elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-6.8.5.jar:6.8.5]
at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:116) [elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) [elasticsearch-6.8.5.jar:6.8.5]
[2019-11-26T12:52:40,346][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [lGBe4uL] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalArgumentException: Plugin [analysis-phonetic] was built for Elasticsearch version 6.7.2 but version 6.8.5 is ru$
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.8.5.jar:6.8.5]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:116) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) ~[elasticsearch-6.8.5.jar:6.8.5]
Caused by: java.lang.IllegalArgumentException: Plugin [analysis-phonetic] was built for Elasticsearch version 6.7.2 but version 6.8.5 is running
at org.elasticsearch.plugins.PluginsService.verifyCompatibility(PluginsService.java:346) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.plugins.PluginsService.loadBundle(PluginsService.java:531) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.plugins.PluginsService.loadBundles(PluginsService.java:471) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.plugins.PluginsService.(PluginsService.java:163) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.node.Node.(Node.java:339) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.node.Node.(Node.java:266) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Bootstrap$5.(Bootstrap.java:212) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.8.5.jar:6.8.5]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) ~[elasticsearch-6.8.5.jar:6.8.5]

you will need to reinstall the right version of the plugin

Dear all,
Installed and indexed elastich search but the search itself on nextcloud is not working.
When i go to search I don’t see any button to confirm and start the search.
Thanks