Installation of MTA 6.0.1 operator fails with the below error in UI pod .
IIB used is registry-proxy.engineering.redhat.com/rh-osbs/iib:422889

Logs in UI Pod
===========================
node:internal/modules/cjs/loader:988
throw err;
^
Error: Cannot find module 'express'
Require stack:

• /opt/app-root/src/server/index.js
  at Function.Module._resolveFilename (node:internal/modules/cjs/loader:985:15)
  at Function.Module._load (node:internal/modules/cjs/loader:833:27)
  at Module.require (node:internal/modules/cjs/loader:1057:19)
  at require (node:internal/modules/cjs/helpers:103:18)
  at Object.<anonymous> (/opt/app-root/src/server/index.js:1:17)
  at Module._compile (node:internal/modules/cjs/loader:1155:14)
  at Object.Module._extensions..js (node:internal/modules/cjs/loader:1209:10)
  at Module.load (node:internal/modules/cjs/loader:1033:32)
  at Function.Module._load (node:internal/modules/cjs/loader:868:12)
  at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) { code: 'MODULE_NOT_FOUND', requireStack: [ '/opt/app-root/src/server/index.js' ] }