error by starting app.js

[0x7da]

Node Version v20.5.1

/home/MCProfile.io/node_modules/@azure/msal-common/dist/index.cjs.js:498
_this = _super.call(this, errorString) || this;
^

ClientAuthError: invalid_client_credential: Client credential (secret, certificate, or assertion) must not be empty when creating a confidential client. An application should at most have one credential
at ClientAuthError.AuthError [as constructor] (/home/MCProfile.io/node_modules/@azure/msal-common/dist/index.cjs.js:498:24)
at new ClientAuthError (/home/MCProfile.io/node_modules/@azure/msal-common/dist/index.cjs.js:818:28)
at ClientAuthError.createInvalidCredentialError (/home/MCProfile.io/node_modules/@azure/msal-common/dist/index.cjs.js:1057:16)
at ConfidentialClientApplication.setClientCredential (/home/MCProfile.io/node_modules/@azure/msal-node/dist/msal-node.cjs.development.js:2564:40)
at new ConfidentialClientApplication (/home/MCProfile.io/node_modules/@azure/msal-node/dist/msal-node.cjs.development.js:2453:10)
at file:///home/MCProfile.io/routes/auth.js:8:22
at ModuleJob.run (node:internal/modules/esm/module_job:192:25)
at async DefaultModuleLoader.import (node:internal/modules/esm/loader:228:24)
at async loadESM (node:internal/process/esm_loader:40:7)
at async handleMainPromise (node:internal/modules/run_main:66:12) {
errorCode: 'invalid_client_credential',
errorMessage: 'Client credential (secret, certificate, or assertion) must not be empty when creating a confidential client. An application should at most have one credential',
subError: ''