Hi, we faced problem that we can't access js report server. We saw reporter.log and found the below error. Could you teach us workaround or what we can investigate this problem?

reporter.log
2019-03-12T08:02:44.560Z - info: Initializing jsreport@1.5.1 in development mode using configuration file dev.config.json
2019-03-12T08:02:45.138Z - info: Searching for available extensions in [JSReport Folder]
2019-03-12T08:02:45.153Z - info: Extensions location cache contains up to date information, skipping crawling in [JSReport Folder]\node_modules
2019-03-12T08:02:45.435Z - info: Found 29 extensions
2019-03-12T08:02:45.481Z - debug: Writing extension locations cache to C:\Windows\TEMP\jsreport-temp\extensions\locations.json
2019-03-12T08:02:45.497Z - debug: Discovered 29 extensions
2019-03-12T08:02:45.497Z - info: Using extension import-export
2019-03-12T08:02:46.075Z - info: Using extension tags
2019-03-12T08:02:46.091Z - info: Using extension templates
2019-03-12T08:02:46.091Z - info: Using extension jsrender
2019-03-12T08:02:46.091Z - info: Using extension cli
2019-03-12T08:02:46.106Z - debug: Extension authentication is disabled, skipping
2019-03-12T08:02:46.106Z - info: Using extension debug
2019-03-12T08:02:46.106Z - info: Using extension express
2019-03-12T08:02:46.325Z - info: Using extension fop-pdf
2019-03-12T08:02:46.325Z - info: Using extension handlebars
2019-03-12T08:02:46.325Z - info: Using extension phantom-pdf
2019-03-12T08:02:46.450Z - info: Using extension fs-store
2019-03-12T08:02:46.966Z - info: Using extension images
2019-03-12T08:02:46.997Z - info: Using extension data
2019-03-12T08:02:46.997Z - info: Using extension child-templates
2019-03-12T08:02:47.013Z - info: Using extension licensing
2019-03-12T08:02:47.169Z - info: Using extension authorization
2019-03-12T08:02:47.169Z - debug: Extension authorization was disabled
2019-03-12T08:02:47.169Z - info: Using extension text
2019-03-12T08:02:47.169Z - info: Using extension reports
2019-03-12T08:02:47.247Z - info: Using extension resources
2019-03-12T08:02:47.263Z - info: Using extension browser-client
2019-03-12T08:02:47.278Z - info: Using extension studio
2019-03-12T08:02:47.403Z - info: Using extension html-to-xlsx
2019-03-12T08:02:47.575Z - info: Using extension scripts
2019-03-12T08:02:47.638Z - info: Using extension assets
2019-03-12T08:02:47.653Z - info: Using extension scheduling
2019-03-12T08:02:47.700Z - info: Using extension xlsx
2019-03-12T08:02:47.982Z - info: Using extension sample-template
2019-03-12T08:02:48.044Z - info: Using extension public-templates
2019-03-12T08:02:48.060Z - debug: Extension public-templates was disabled
2019-03-12T08:02:48.075Z - info: Initializing fs storage at [JSReport Folder]\data
2019-03-12T08:02:49.419Z - error: Failed to load collection reports Error: ENOENT: no such file or directory, open '[JSReport Folder]\data\reports~'
at Error (native)
2019-03-12T08:02:49.419Z - error: Failed to load collection schedules Error: ENOENT: no such file or directory, open '[JSReport Folder]\data\schedules~'
at Error (native)
2019-03-12T08:02:49.435Z - error: Failed to load collection tasks Error: ENOENT: no such file or directory, open '[JSReport Folder]\data\tasks~'
at Error (native)
2019-03-12T08:02:49.435Z - error: Error occured during reporter init Error: ENOENT: no such file or directory, open '[JSReport Folder]\data\reports~'
at Error (native)
2019-03-12T08:25:12.509Z - info: Initializing jsreport@1.5.1 in development mode using configuration file dev.config.json