PHP Warning: fsockopen(): unable to connect (Operation now in progress)

Message:

PHP Warning: fsockopen(): unable to connect to domain.com:80 (Operation now in progress) in /home/user/public_html/browser.php on line 724

Error type: warning

Symptoms:

When you try to open a socket (for example load a file from an external server), you just receive a warning.

Cause:

The destination is unreachable.

Fix:

Re-establish the connection between the two servers. Most likely the location you are trying to connect to has a period of downtime.

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