I am facing the same issue ,Following is error code. Please reply if any fix.

2019-09-02T12:49:05.737Z - info: Using extension authentication@2.2.3
2019-09-02T12:49:05.757Z - info: Using extension cli@2.0.7
2019-09-02T12:49:05.758Z - info: Using extension debug@2.0.2
2019-09-02T12:49:05.759Z - info: Using extension express@2.4.0
2019-09-02T12:49:05.846Z - info: Using extension freeze@2.0.0
2019-09-02T12:49:05.856Z - info: Using extension handlebars@2.0.2
2019-09-02T12:49:05.861Z - info: Using extension import-export@1.3.0
2019-09-02T12:49:05.947Z - info: Using extension jsrender@2.0.0
2019-09-02T12:49:05.948Z - info: Using extension tags@2.2.0
2019-09-02T12:49:05.950Z - info: Using extension templates@2.2.0
2019-09-02T12:49:05.951Z - info: Using extension authorization@2.2.4
2019-09-02T12:49:05.960Z - info: Using extension base@2.0.2
2019-09-02T12:49:05.961Z - info: Using extension browser-client@2.1.1
2019-09-02T12:49:05.964Z - info: Using extension child-templates@1.2.0
2019-09-02T12:49:05.969Z - info: Using extension chrome-pdf@1.4.0
2019-09-02T12:49:06.022Z - debug: Chrome strategy is dedicated-process
2019-09-02T12:49:06.023Z - info: Using extension data@2.1.0
2019-09-02T12:49:06.023Z - info: Using extension fs-store@2.4.1
2019-09-02T12:49:06.148Z - info: fs store underlying changes synchronization with studio is disabled
2019-09-02T12:49:06.148Z - info: Using extension licensing@2.1.0
2019-09-02T12:49:06.170Z - info: Using extension pdf-utils@1.4.0
2019-09-02T12:49:06.322Z - info: Using extension reports@2.2.0
2019-09-02T12:49:06.326Z - info: Using extension studio@2.5.1
2019-09-02T12:49:06.333Z - debug: studio request logs are enabled (flush interval: 2000)
2019-09-02T12:49:06.333Z - info: Using extension text@2.0.0
2019-09-02T12:49:06.334Z - info: Using extension version-control@1.2.3
2019-09-02T12:49:06.373Z - info: Using extension assets@1.1.3
2019-09-02T12:49:06.383Z - info: Using extension html-to-xlsx@2.3.1
2019-09-02T12:49:06.462Z - info: html-to-xlsx detected chrome as available html engine
2019-09-02T12:49:06.463Z - info: Using extension scheduling@2.0.7
2019-09-02T12:49:06.488Z - info: Using extension scripts@2.1.0
2019-09-02T12:49:06.491Z - info: Using extension xlsx@2.0.10
2019-09-02T12:49:06.623Z - info: Using extension public-templates@2.0.1
2019-09-02T12:49:06.624Z - info: Using extension resources@2.0.3
2019-09-02T12:49:06.625Z - info: Using extension sample-template@2.3.0
2019-09-02T12:49:06.626Z - info: Using fs provider for template store.
2019-09-02T12:49:06.631Z - info: fs store is persisting using fs
2019-09-02T12:49:06.631Z - info: fs store is synchronizing using fs
2019-09-02T12:49:06.633Z - info: fs store is loading data
2019-09-02T12:49:06.657Z - info: fs store is initialized successfully

Blobstorage initialted.
2019-09-02T12:49:06.690Z - info: Creating default express app.
2019-09-02T12:49:06.705Z - info: jsreport server successfully started on http port: 8000
2019-09-02T12:49:06.705Z - debug: fs store sync modifications is disabled
2019-09-02T12:49:06.707Z - info: Verifying license key free
2019-09-02T12:49:06.709Z - warn: License info stored in jsreport.license.json is corrupted, processing remote license verification
2019-09-02T12:49:07.181Z - info: Closing jsreport instance
2019-09-02T12:49:07.187Z - error: Error occured during reporter init Error: Enterprise trial expired
at /home/bitnami/vaarta-report/node_modules/jsreport-licensing/lib/licensing.js:146:18
at tryCatcher (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/util.js:16:23)
at Promise._settlePromiseFromHandler (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:512:31)
at Promise._settlePromise (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:569:18)
at Promise._settlePromise0 (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:614:10)
at Promise._settlePromises (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:694:18)
at Promise._fulfill (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:638:18)
at Promise._settlePromise (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:582:21)
at Promise._settlePromise0 (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:614:10)
at Promise._settlePromises (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:694:18)
at Promise._fulfill (/home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/promise.js:638:18)
at /home/bitnami/vaarta-report/node_modules/jsreport-licensing/node_modules/bluebird/js/release/nodeback.js:42:21
at /home/bitnami/vaarta-report/node_modules/graceful-fs/graceful-fs.js:45:10
at FSReqCallback.oncomplete (fs.js:153:20)