mandatory of field not work

[hcimadomo-procsi]

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Is there an existing issue for this?

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GLPI Version

10.0.16

Plugin version

1.21.17

Bug description

Hello,
the mandatory caracteristic of a field not work (field name is facturation in picture)
Process: creation of a ticket with a field mandatory with value empty -> creation of ticket is possible. With version 1.21.16, i have a message to inform that the field is mandatory.

Best regards

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Steps To reproduce

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Your GLPI setup information

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