Fatal error: Call to undefined function cvtupload_formulaire_verifier()

Bonjour,

SPIP 4.2.16 Lors d'un crayonnage de réponse/fichiers Voici l'erreur bloquante suivante :

Fatal error:  Uncaught Error: Call to undefined function cvtupload_formulaire_verifier() in /.../plugins/auto/formidable/v6.6.1/formidable_pipelines.php:412
Stack trace:
#0 /.../plugins/auto/formidable/v6.6.1/formidable_pipelines.php(387): formidable_crayons_verifier_fichier(Array, Array, Array)
#1 /.../ecrire/inc/utils.php(236): formidable_crayons_verifier(Array)
#2 /.../tmp/cache/charger_pipelines.php(1732): minipipe('formidable_cray...', Array)
#3 /.../ecrire/inc/utils.php(303): execute_pipeline_crayons_verifier(Array)
#4 /.../plugins/auto/crayons/v3.1.2/action/crayons_store.php(149): pipeline('crayons_verifie...', Array)
#5 /.../plugins/auto/crayons/v3.1.2/action/crayons_store.php(617): crayons_store()
#6 /.../plugins/auto/crayons/v3.1.2/action/crayons_store.php(604): action_crayons_store_args()
#7 /.../ecrire/public/aiguiller.php(80): action_crayons_store_dist()
#8 /.../ecrire/index.php(66): traiter_appels_actions()
#9 {main}
  thrown in /.../plugins/auto/formidable/v6.6.1/formidable_pipelines.php on line 412

Merci !