3785924 - Error: Cannot find '@sap/xssec'. Make sure to install it with 'npm i @sap/xssec'

• Deploy CAP project fails
• Don't have any auth (cds.requires.auth) in package.json
• After deploy, CAP start fails, and log shows:
  
  [CELL/0] STDOUT Starting health monitoring of container
  [APP/PROC/WEB/0] STDOUT Invoking pre-start scripts.
  [APP/PROC/WEB/0] STDOUT Invoking start command.
  [APP/PROC/WEB/0] STDOUT > forkba@1.0.0 start
  [APP/PROC/WEB/0] STDOUT > cds-serve
  [APP/PROC/WEB/0] STDERR node:internal/modules/cjs/loader:1476
  [APP/PROC/WEB/0] STDERR const err = new Error(message);
  [APP/PROC/WEB/0] STDERR ^
  [APP/PROC/WEB/0] STDERR Error: Cannot find '@sap/xssec'. Make sure to install it with 'npm i @sap/xssec'
  [APP/PROC/WEB/0] STDERR Cannot find module '@sap/xebec'
  [APP/PROC/WEB/0] STDERR Require stack:
  [APP/PROC/WEB/0] STDERR - /home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/auth/xssec.js
  [APP/PROC/WEB/0] STDERR - /home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/auth/jwt-auth.js
  [APP/PROC/WEB/0] STDERR - /home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/auth/index.js
  [APP/PROC/WEB/0] STDERR - /home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/index.js
  [APP/PROC/WEB/0] STDERR - /home/vcap/app/node_modules/@sap/cds/lib/index.js
  [APP/PROC/WEB/0] STDERR - /home/vcap/app/node_modules/@sap/cds/bin/serve.js
  [APP/PROC/WEB/0] STDERR at Module._resolveFilename (node:internal/modules/cjs/loader:1476:15)
  [APP/PROC/WEB/0] STDERR at wrapResolveFilename (node:internal/modules/cjs/loader:1049:27)
  [APP/PROC/WEB/0] STDERR at defaultResolveImplForCJSLoading (node:internal/modules/cjs/loader:1073:10)
  [APP/PROC/WEB/0] STDERR at resolveForCJSWithHooks (node:internal/modules/cjs/loader:1094:12)
  [APP/PROC/WEB/0] STDERR at Module._load (node:internal/modules/cjs/loader:1262:25)
  [APP/PROC/WEB/0] STDERR at wrapModuleLoad (node:internal/modules/cjs/loader:255:19)
  [APP/PROC/WEB/0] STDERR at Module.require (node:internal/modules/cjs/loader:1576:12)
  [APP/PROC/WEB/0] STDERR at require (node:internal/modules/helpers:153:16)
  [APP/PROC/WEB/0] STDERR at Object.<anonymous> (/home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/auth/xssec.js:2:17)
  [APP/PROC/WEB/0] STDERR at Module._compile (node:internal/modules/cjs/loader:1830:14) {
  [APP/PROC/WEB/0] STDERR code: 'MODULE_NOT_FOUND',
  [APP/PROC/WEB/0] STDERR requireStack: [
  [APP/PROC/WEB/0] STDERR '/home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/auth/xssec.js',
  [APP/PROC/WEB/0] STDERR '/home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/auth/jwt-auth.js',
  [APP/PROC/WEB/0] STDERR '/home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/auth/index.js',
  [APP/PROC/WEB/0] STDERR '/home/vcap/app/node_modules/@sap/cds/lib/srv/middlewares/index.js',
  [APP/PROC/WEB/0] STDERR '/home/vcap/app/node_modules/@sap/cds/lib/index.js',
  [APP/PROC/WEB/0] STDERR '/home/vcap/app/node_modules/@sap/cds/bin/serve.js'
  [APP/PROC/WEB/0] STDERR ]
  [APP/PROC/WEB/0] STDERR }
  [APP/PROC/WEB/0] STDERR Node.js v24.15.0
  [APP/PROC/WEB/0] STDERR npm notice
  [APP/PROC/WEB/0] STDERR npm notice New major version of npm available! 11.12.1 -> 12.0.1
  [APP/PROC/WEB/0] STDERR npm notice Changelog: https://github.com/npm/cli/releases/tag/v12.0.1
  [APP/PROC/WEB/0] STDERR npm notice To update run: npm install -g npm@12.0.1
  [APP/PROC/WEB/0] STDERR npm notice
  [APP/PROC/WEB/0] STDOUT Exit status 1

• BTP Cloud Foundry
• CAP Node.js

auth, dummy, xssec, jwt-auth , KBA , BC-XS-CDX-NJS , SAP CAP – node.js runtime , Problem