How to reproduce

• go to the demo : https://demo.ametys.org/nightly-intranet-cms/intranet/index.html( 4.9.0-20250709-2354-SNAPSHOT)
• create a new form
• create a multiple choice list
  
  

• Create a simple text field
• Set the following rule to it:
  

Select both choices, the field with the rule is not displayed