' . esc_html__('Error deleting certificate.', 'academic-certificate-verification') . '
' . esc_html__('Certificate added successfully.', 'academic-certificate-verification') . '
' . esc_html__('Error adding certificate.', 'academic-certificate-verification') . '
' . esc_html__('Certificate updated successfully.', 'academic-certificate-verification') . '
' . esc_html__('Error updating certificate.', 'academic-certificate-verification') . '