class StockQuant(models.Model):
    _inherit = 'stock.quant'

    @api.model
    def create(self, vals):
        # Check if the current user belongs to 'Mod Quants'
        user = self.env.user
        groupA = self.env.ref('your_module_name.group_name')  # Replace with the actual group reference
        if user and groupA and groupA in user.groups_id:
            return super(StockQuant, self).create(vals)
        else:
            # Raise an exception or handle the restriction as needed
            raise AccessError("You don't have permission to create stock.quant records.")