Error: You already have an Unleash instance with a different configuration.

[Hassan313]

Hi,

When I run the npm run dev:backend, I get the below error:

root@LAPTOP-10SQE2C3:~/subway# npm run dev:backend

upchieve-server@0.0.0 dev:backend
ts-node-dev -P tsconfig.server.json --watch server --transpile-only server/main

[INFO] 00:31:25 ts-node-dev ver. 1.1.8 (using ts-node ver. 9.1.1, typescript ver. 4.9.5)
{"level":30,"time":1686641492019,"pid":6029,"hostname":"LAPTOP-10SQE2C3","msg":"socket.io listening on port 3001"}
Error: You already have an Unleash instance with a different configuration.
at Function.getInstance (/root/subway/node_modules/unleash-client/src/unleash.ts:214:15)
at initialize (/root/subway/node_modules/unleash-client/src/index.ts:19:22)
at initializeUnleash (/root/subway/server/services/FeatureFlagService.ts:37:15)
at main (/root/subway/server/main.ts:19:20)
at Object. (/root/subway/server/main.ts:43:3)
at Module._compile (node:internal/modules/cjs/loader:1105:14)
at Module._compile (/root/subway/node_modules/ts-node-dev/node_modules/source-map-support/source-map-support.js:568:25)
at Module.m._compile (/tmp/ts-node-dev-hook-9227456539466934.js:69:33)
at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
at require.extensions..jsx.require.extensions..js (/tmp/ts-node-dev-hook-9227456539466934.js:114:20)
at require.extensions. (/tmp/ts-node-dev-hook-9227456539466934.js:71:20)
at Object.nodeDevHook [as .ts] (/root/subway/node_modules/ts-node-dev/lib/hook.js:63:13)
at Module.load (node:internal/modules/cjs/loader:981:32)
at Function.Module._load (node:internal/modules/cjs/loader:822:12)
at Module.require (node:internal/modules/cjs/loader:1005:19)
at require (node:internal/modules/cjs/helpers:102:18)
at Object. (/root/subway/node_modules/ts-node-dev/lib/wrap.js:104:1)
at Module._compile (node:internal/modules/cjs/loader:1105:14)
at Module._compile (/root/subway/node_modules/ts-node-dev/node_modules/source-map-support/source-map-support.js:568:25)
at Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
at Object.require.extensions..jsx.require.extensions..js (/tmp/ts-node-dev-hook-9227456539466934.js:95:24)
at Module.load (node:internal/modules/cjs/loader:981:32)
[ERROR] 00:31:32 Error: You already have an Unleash instance with a different configuration.
(node:6029) NOTE: We are formalizing our plans to enter AWS SDK for JavaScript (v2) into maintenance mode in 2023.

Please migrate your code to use AWS SDK for JavaScript (v3).
For more information, check the migration guide at https://a.co/7PzMCcy
(Use node --trace-warnings ... to show where the warning was created)
{"level":30,"time":1686641492022,"pid":6029,"hostname":"LAPTOP-10SQE2C3","msg":"initializing server routing"}

Do you know how I can fix it?

Thanks,
Hassan