Facing issue on kibana

HI, I am facing issue on kibana dashboard, charts are blank , also from 1 week data is not coming, can anyone help to get cause.

Error: Too Many Requests
at Fetch._callee3$ (http://1**.***.**.**:5601/31997/bundles/commons.bundle.js:3:1287438)
at l (http://1**.***.**.**:5601/31997/bundles/kbn-ui-shared-deps/kbn-ui-shared-deps.js:288:969217)
at Generator._invoke (http://149.245.19.12:5601/31997/bundles/kbn-ui-shared-deps/kbn-ui-shared-deps.js:288:968970)
at Generator.forEach.e.(anonymous function) [as next] (http://1**.***.**.**:5601/31997/bundles/kbn-ui-shared-deps/kbn-ui-shared-deps.js:288:969574)
at asyncGeneratorStep (http://1**.***.**.**:5601/31997/bundles/commons.bundle.js:3:1280961)
at _next (http://1**.***.**.**:5601/31997/bundles/commons.bundle.js:3:1281272)
at <anonymous>