Rekognition error message is not correct for imported WXR

[robindevitt]

WXML file exported from Altis cannot be imported because of parsing error.

Steps to reproduce:

1. Login to the site admin.
2. Navigate to Tools -> Import.
3. Click the WordPress Importer.
4. Upload the desired XML file you want to import.
5. Presented error:

10257:179 Char 0x0 out of allowed range

10257:179 CData section not finished
O:8:"WP_Error":3:{s:6:"errors";a:1:{s:21:"aws-reko

10257:179 Premature end of data in tag meta_value line 10256

There was an error when reading this WXR file
Details are shown above. The importer will now try again with a different parser...

Sorry, there has been an error.
This does not appear to be a WXR file, missing/invalid WXR version number

Describe what you expected to see:

The file should import without any errors.

Acceptance criteria:

• The file when exported, shouldn't contain any parse errors.