In Symfony1.4, when I created and tried to use a form, an error occurred.

■ Error Content

csrf token: Required.

■ Solution

The cause was not outputting hidden fields within the form.

Writing the following content within the form resolves the issue:

renderHiddenFields() ?>

That’s all.

【Reference】

・さぼてん: 【symfony】_csrf_tokenとsetWidgets() (Cactus: [symfony]_csrf_token and setWidgets())

・symfonyでCSRFがうまく動かない | OKWave (CSRF Doesn’t Work Well in symfony | OKWave)

・symfony1.2のCSRF対策について : アシアルブログ (About CSRF Countermeasures in symfony1.2 : Asial Blog)

・csrf_secretを設定している場合のフォーム生成メモ - 偏った言語信者の垂れ流し (Form Generation Memo When csrf_secret is Set - Biased Language Believer’s Rambling)

That’s all from the Gemba.