PHP error when adding custom field from block

[fmeunierFKY]

Hi, here what I'm getting when adding field from block

_GPL v2+ TECLIB', Alexandre Delaunay, Jérémy Moreau, François Legastelois, Walid Nouh, Johan Cwiklinski, Olivier Moron 1.23.3

GLPI 11.0.5 Copyright (C) 2015-2026 Teclib' and contributors_

thanks

Attempted to load class "PluginFieldsToto" from the global namespace.
Did you forget a "use" statement?
In ./marketplace/fields/inc/field.class.php(308)
#0 ./src/CommonDBTM.php(1339): PluginFieldsField->prepareInputForAdd()
#1 ./marketplace/fields/front/field.form.php(42): CommonDBTM->add()
#2 ./src/Glpi/Controller/LegacyFileLoadController.php(64): require('...')
#3 ./vendor/symfony/http-kernel/HttpKernel.php(181): Glpi\Controller\LegacyFileLoadController->__invoke()
#4 ./vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw()
#5 ./vendor/symfony/http-kernel/Kernel.php(197): Symfony\Component\HttpKernel\HttpKernel->handle()
#6 ./public/index.php(71): Symfony\Component\HttpKernel\Kernel->handle()
#7 {main}