PHP warning: DOM support is not enabled

[maheshwaghmare]

I have 2 https sites on different servers.
On 1st https site it works perfect. But on another it con't import the XML. Not found exact issue.

1. Admin Backend Screenshot : http://bsf.io/h0qd-
2. Debug Log: Repeatative notices & warnings.

[12-Dec-2017 11:21:06 UTC] PHP Warning:  DOM support is not enabled in /home/mysite/wp-content/plugins/WordPress-Importer-master/class-wxr-importer.php on line 390
[12-Dec-2017 11:21:06 UTC] PHP Notice:  Trying to get property of non-object in /home/mysite/wp-content/plugins/WordPress-Importer-master/class-wxr-importer.php on line 1441
[12-Dec-2017 11:21:06 UTC] PHP Warning:  Invalid argument supplied for foreach() in /home/mysite/wp-content/plugins/WordPress-Importer-master/class-wxr-importer.php on line 1441
...

3. phpinfo() - HTML file of phpinfo. http://bsf.io/5elbw

[seth586]

I got a similar PHP warning fixed, see this comment: awesomemotive/one-click-demo-import#207 (comment)