[SOLVED] error after making and install a new ocmod, help

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PHP Notice:  Undefined index: enquiry in /home/xxx/storage/modification/catalog/controller/information/contact.php on line 196

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if ((utf8_strlen($this->request->post['enquiry']) < 10) || (utf8_strlen($this->request->post['enquiry']) > 3000)) {
		$this->error['enquiry'] = $this->language->get('error_enquiry');
		}

Code: Select all

    <file path="catalog/controller/information/contact.php">
        
        
        <operation error="skip">
            <search>
                <![CDATA[$mail->setText($this->request->post['enquiry']);]]>
            </search>
            <add position="replace">
                <![CDATA[

                    $mail->setText(
                        "Make and Model: \n" . $this->request->post['vehicle'] . "\n\n" .
                        "How did you hear about us: \n" . $this->request->post['hearaboutus'] . "\n\n" .
                        "Enquiry: \n" . $this->request->post['enquiry']
                    );

]]>
            </add>
        </operation>
        
        
        <operation error="skip">
            <search>
                <![CDATA[$data['button_submit'] = $this->language->get('button_submit');]]>
            </search>
            <add position="before">
                <![CDATA[

                    if (isset($this->error['vehicle'])) {
                        $data['error_vehicle'] = $this->error['vehicle'];
                    } else {
                        $data['error_vehicle'] = '';
                    }


                    if (isset($this->error['hearaboutus'])) {
                        $data['error_hearaboutus'] = $this->error['hearaboutus'];
                    } else {
                        $data['error_hearaboutus'] = '';
                    }

]]>
            </add>
        </operation>


        <operation error="skip">
            <search>
                <![CDATA[protected function validate() {]]>
            </search>
            <add position="after">
                <![CDATA[

                    if ((utf8_strlen($this->request->post['vehicle']) < 3) || (utf8_strlen($this->request->post['vehicle']) > 300)) {
                        $this->error['vehicle'] = $this->language->get('error_vehicle');
                    }


                    if ((utf8_strlen($this->request->post['hearaboutus']) < 3) || (utf8_strlen($this->request->post['hearaboutus']) > 300)) {
                        $this->error['hearaboutus'] = $this->language->get('error_hearaboutus');
                    }

]]>
            </add>
        </operation>
    </file>