Error: Class "Drupal\lb_plus\SectionStorage\NestedAwareSectionStorage" not found in Drupal\tempstore_plus\Strategy\LayoutTempstoreStrategy->wrapStorage() (line 377

Problem/Motivation

Installing module result in
"The website encountered an unexpected error. Try again later."
Erorr log is
Error: Class "Drupal\lb_plus\SectionStorage\NestedAwareSectionStorage" not found in Drupal\tempstore_plus\Strategy\LayoutTempstoreStrategy->wrapStorage() (line 377 ...

Steps to reproduce

Fresh Drupal 11.3 installation, standard profile
Install module with composer
Enable module

Proposed resolution

Minimal: Clearly explain on project page that the module is not intended for single use, anymore (the same for lb_plus and navigation_plus) with a link to plus_suite recipe page.
Add an sentence (or more) why there is two official versions.