我在kibana中有一个索引模式，我不小心删除了所有与其相关的索引。我想删除inde模式，但出现此错误：
Error: blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];: [cluster_block_exception] blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];
at http://localhost:5601/bundles/kibana.bundle.js?v=16350:37:84505
at processQueue (http://localhost:5601/bundles/commons.bundle.js?v=16350:29:132456)
at http://localhost:5601/bundles/commons.bundle.js?v=16350:29:133349
at Scope.$digest (http://localhost:5601/bundles/commons.bundle.js?v=16350:29:144239)
at Scope.$apply (http://localhost:5601/bundles/commons.bundle.js?v=16350:29:147018)
at done (http://localhost:5601/bundles/commons.bundle.js?v=16350:29:100026)
at completeRequest (http://localhost:5601/bundles/commons.bundle.js?v=16350:29:104697)
at XMLHttpRequest.xhr.onload (http://localhost:5601/bundles/commons.bundle.js?v=16350:29:105435)
在显示错误的页面中，有一个清除会话按钮；我试过了，没有影响。