When exporting a field with a table with Warning Icon, the field isn´t exported

Description
When exporting a field with a table with warning icons, the field isn´t exported.

How to reproduce

1. Create a Text multi-line field and add the following content to it:

   this is a test
   ||Test 1||Test  2||
   |A1|(*) testing|
   |A2|(!) testing|
   |A3|(!) testing|
   |A4|testing|
   

2. Create a template to export this field with Wiki markup

Actual result/Attachments
Here´s a screenshot of the Text 4 field with the table with the warning icons and the result when exporting it:

It exported the mapping of the field instead of the content of the field.

Expected result
It should export the field.