Upgrade BP from 15.0.4 to 16.0.0 creates ERROR ... no documantion found für upgrading #1600
Description
Got TYPO3 version 13.4.22 - using bootstrap_package vers. 15.0.4 - everything ist fine. Introduction package used with noc special extensions (exept maybe ws_slider).
After upgrade to bootstrap_package 16.0.0 (via extension manager - which is okay as written in the official docs) and setting site set as defined in documentation under
https://docs.typo3.org/p/bk2k/bootstrap-package/16.0/en-us/Installation/Index.html
Using no "include from static files anymore as done before.
Error occures:
Fri, 19 Dec 2025 10:42:18 +0100 [ERROR] request="56934357721ff" component="TYPO3.CMS.Frontend.Middleware.PrepareTypoScriptFrontendRendering": No page configured for type=0. There is no TypoScript object of type PAGE with typeNum=0. - {"type":"0"}
Not ChahtGBT and not Google Gemini could help and solve this problem.
Are there any docs for upgrading BP?
Thanks & happy holidays
Frank