validate problems?

[zhenfuxu]

Alchemy::EssencePicture Exists (0.7ms) SELECT 1 AS one FROM "alchemy_essence_pictures" WHERE "alchemy_essence_pictures"."picture_id" = $1 LIMIT $2 [["picture_id", 3], ["LIMIT", 1]]
↳ /home/dev/lib/ruby/gems/2.7.0/gems/activerecord-5.2.6/lib/active_record/log_subscriber.rb:98
DRAGONFLY: shell command: convert /home/dev/cms/wincms/cms/uploads/pictures/2021/08/28/7dlqjdi9xg_v6.jpeg -resize 160x120> /tmp/dragonfly20210828-2389-e85i7k.jpeg
Rendered collection of /home/dev/lib/ruby/gems/2.7.0/gems/alchemy_cms-5.2.1/app/views/alchemy/admin/pictures/_picture.html.erb [1 times] (24.1ms)
Rendered /home/dev/lib/ruby/gems/2.7.0/gems/alchemy_cms-5.2.1/app/views/alchemy/admin/pictures/_archive.html.erb (35.7ms)
Rendered /home/dev/lib/ruby/gems/2.7.0/gems/alchemy_cms-5.2.1/app/views/alchemy/admin/pictures/index.html.erb within layouts/alchemy/admin (51.5ms)

ActionView::Template::Error Dragonfly::ParamValidators::InvalidParameter in /home/dev/lib/ruby/gems/2.7.0/gems/dragonfly-1.4.0/lib/dragonfly/param_validators.rb:25:in `validate!'