Queues, SLA's and Reports are suddenly not visible in Jira Service Desk

[Praghya Thakre]

Hi All,

I am using JIRA Service desk 3.16, Project queues, SLA's and Reports are not visible. Even if I try to create a new queue still it is not displaying on the screen. This issue was suddenly occurred and in the logs below error is coming.

2020-09-09 16:28:01,952 http-nio-8889-exec-16 url:/rest/servicede...a-admin-sla-subnav username:admin ERROR admin 988x133046x2 12wh1wr 10.150.252.150 /rest/servicedesk/1/DYNA/webfragments/sections/sd-jira-admin-sla-subnav [c.a.plugin.web.DefaultWebInterfaceManager] WebItemProvider from module 'com.atlassian.servicedesk.project-ui:sd-jira-project-slas-provider' threw an error 'java.lang.NullPointerException'. Web-items provided by this provider will be ignored.
2020-09-09 16:28:14,534 http-nio-8889-exec-6 url:/rest/servicede...t.queues.ungrouped username:admin ERROR admin 988x133088x3 12wh1wr 10.150.252.150 /rest/servicedesk/1/SR/webfragments/sections/sd-queues-nav,servicedesk.agent.queues,servicedesk.agent.queues.ungrouped [c.a.plugin.web.DefaultWebInterfaceManager] WebItemProvider from module 'com.atlassian.servicedesk.project-ui:sd-queues-custom-provider' threw an error 'java.lang.NullPointerException'. Web-items provided by this provider will be ignored.
2020-09-09 16:08:51,211 http-nio-8889-exec-24 url:/rest/servicede.../agents/INC/search username:admin ERROR admin 968x132183x2 1o1ahvc 10.150.252.150 /rest/servicedesk/1/pages/people/agents/INC/search [c.a.p.r.c.error.jersey.ThrowableExceptionMapper] Uncaught exception thrown by REST service: java.lang.NullPointerException
com.atlassian.cache.CacheException: java.lang.NullPointerException
at com.atlassian.cache.memory.DelegatingCache.get(DelegatingCache.java:211)
at com.atlassian.cache.memory.DelegatingCache.get(DelegatingCache.java:162)
at

Regards,

Praghya