Astropedia - System Error

About Astropedia System Error
org.springframework.extensions.webscripts.WebScriptException: 012143741 Internal error
org.springframework.extensions.webscripts.WebScriptException: 012143740 Failed to retrieve template status.ftl
$$caused_by$$ There was an error loading the template on an earlier attempt; it is attached as a cause
java.lang.IllegalStateException: /usr/local/tomcat/apache-tomcat-8.5.54/webapps/alfresco/WEB-INF/lib/FastInfoset-1.2.2.jar (Too many open files)
$$caused_by$$ /usr/local/tomcat/apache-tomcat-8.5.54/webapps/alfresco/WEB-INF/lib/FastInfoset-1.2.2.jar (Too many open files)

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