</group>
<group string="Campaign">
<field name="mass_mailing_campaign_id" groups="mass_mailing.group_mass_mailing_campaign"/>
- <label for="contact_ab_pc" groups="mass_mailing.group_mass_mailing_campaign"/>
+ <label for="contact_ab_pc"/>
<div>
<field name="contact_ab_pc" class="oe_inline"/> %
</div>