Tikiwiki installer error / warning messages

[ylebre]

The commandline installer for tiki gives some warnings (though it still seems to install fine):

--- Installing tikiwiki
Installation completed.
Queries executed successfully: 1600

sh: 1: tesseract: not found
[2022-11-21 11:33] Started rebuilding index...

Unified search
--------------

Engine: MySQL, version 10.10.2-MariaDB-1:10.10.2+maria~ubu2204
sh: 1: tesseract: not found
Indexed
  file: 0
  file gallery: 3
  user: 1
  group: 3
  wiki page: 0
Rebuilding index done
Index: index_637b622658626

Execution Statistics
---------------------

Execution time: 1 sec
Current Memory usage: 44.2 MiB
Memory peak usage before indexing: 27.4 MiB
Memory peak usage after indexing: 44.4 MiB
Number of queries: 166

Preference auth_api_tokens was set.

Password changed successfully.

Undefined index: mapping on line 74 of /var/www/html/lib/core/Tracker/Tabular/Manager.php
Undefined index: format on line 73 of /var/www/html/lib/core/Tracker/Tabular/Manager.php
Undefined index: mapping on line 74 of /var/www/html/lib/core/Tracker/Tabular/Manager.php
Undefined index: isPrimary on line 50 of /var/www/html/lib/core/Tiki/Profile/InstallHandler/Tabular.php
Undefined index: isReadOnly on line 50 of /var/www/html/lib/core/Tiki/Profile/InstallHandler/Tabular.php
Undefined index: isExportOnly on line 50 of /var/www/html/lib/core/Tiki/Profile/InstallHandler/Tabular.php
Undefined index: isUniqueKey on line 50 of /var/www/html/lib/core/Tiki/Profile/InstallHandler/Tabular.php
Profile applied.

sh: 1: tesseract: not found
Installer locked