Build error on WebSocket

[cloudstorydev]

I encountered error when building \ starting:

npm version && npm run build:prod

{ 'ev-server': '2.7.6', npm: '6.14.18', ares: '1.16.1', brotli: '1.0.9', cldr: '37.0', http_parser: '2.9.3', icu: '67.1', llhttp: '2.1.3', modules: '72', napi: '7', nghttp2: '1.41.0', node: '12.20.0', openssl: '1.1.1g', tz: '2019c', unicode: '13.0', uv: '1.40.0', v8: '7.8.279.23-node.45', zlib: '1.2.11' }

[email protected] build:prod /home/ubuntu/ev-server npm version && webpack --env prod

{ 'ev-server': '2.7.6', npm: '6.14.18', ares: '1.16.1', brotli: '1.0.9', cldr: '37.0', http_parser: '2.9.3', icu: '67.1', llhttp: '2.1.3', modules: '72', napi: '7', nghttp2: '1.41.0', node: '12.20.0', openssl: '1.1.1g', tz: '2019c', unicode: '13.0', uv: '1.40.0', v8: '7.8.279.23-node.45', zlib: '1.2.11' } assets by status 7.46 MiB [cached] 1361 assets cacheable modules 4.02 MiB 425 modules modules by path external "moment/locale/ 252 bytes external "moment/locale/fr" 42 bytes [built] [code generated] external "moment/locale/de" 42 bytes [built] [code generated] external "moment/locale/es" 42 bytes [built] [code generated] external "moment/locale/it" 42 bytes [built] [code generated] external "moment/locale/en-gb" 42 bytes [built] [code generated] external "moment/locale/pt-br" 42 bytes [built] [code generated] modules by path *.js" 84 bytes external "decimal.js" 42 bytes [built] [code generated] external "uWebSockets.js" 42 bytes [built] [code generated]

• 69 modules

ERROR in /home/ubuntu/ev-server/src/server/ocpp/json/JsonOCPPServer.ts ./src/server/ocpp/json/JsonOCPPServer.ts 58:23-32 [tsl] ERROR in /home/ubuntu/ev-server/src/server/ocpp/json/JsonOCPPServer.ts(58,24) TS2314: Generic type 'WebSocket<UserData>' requires 1 type argument(s). @ ./src/start.ts 13:41-85