"Expected bootstrap tree to expose a root element" error after upgrading past 1.48.6

[jalerreIBM]

📜 Issue Labels

• Please familiarize yourself with the issue labels used in this project: LABELS.md

🔎 Search Terms

"Expected bootstrap tree to expose a root element"

🗃️ Project Area

Unknown

🔗 External Integration

N/A

📝 Description & Context

The frontend is throwing a Expected bootstrap tree to expose a root element error when upgrading to any version past 1.48.6.

Here is the full call stack:

 createBootstrapApp
  node_modules/@backstage/frontend-defaults/node_modules/@backstage/frontend-app-api/dist/wiring/treeLifecycle.esm.js:37:11
 getBootstrapApp
  node_modules/@backstage/frontend-defaults/node_modules/@backstage/frontend-app-api/dist/wiring/prepareSpecializedApp.esm.js:268:82
 PreparedAppRoot
  node_modules/@backstage/frontend-defaults/dist/createApp.esm.js:61:42
 renderWithHooks
  node_modules/react-dom/cjs/react-dom.development.js:15486:27
 mountIndeterminateComponent
  node_modules/react-dom/cjs/react-dom.development.js:20098:13
 beginWork
  node_modules/react-dom/cjs/react-dom.development.js:21621:16
 callCallback
  node_modules/react-dom/cjs/react-dom.development.js:4164:14
 invokeGuardedCallbackDev
  node_modules/react-dom/cjs/react-dom.development.js:4213:16
 invokeGuardedCallback
  node_modules/react-dom/cjs/react-dom.development.js:4277:31
 beginWork$1
  node_modules/react-dom/cjs/react-dom.development.js:27485:28

👍 Expected Behavior

I expect the UI to come up without erroring out.

📦 Reproduction Repo

No response

🥾 Reproduction steps

No response

Have you read the Code of Conduct?

• I have read the Code of Conduct

Are you willing to submit PR?

No, I don't have time to work on this right now