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PHP Warning: Invalid argument supplied for foreach()


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Good day :)

 

I have errors in my logs:

[Thu Dec 12 12:45:12 2013] [warn] [client x.x.x.x] mod_fcgid: stderr: PHP Warning:  Invalid argument supplied for foreach() in /sata2/home/users/goldox/www/www.goldox.com.ua/modules/gamification/classes/Advice.php on line 96, referer: http://www.goldox.com.ua/admyn/index.php?controller=AdminPerformance&token=4b57a920cc...

Prestashop version is 1.5.6 and 1.5.6.1

 

What's wrong and what must I do?

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I don't think you need to worry about that.

The error is because the variable passed to a foreach statement is not an array or it's empty.

 

You can edit the plugin to fix the issue but I don't think it's worth it.

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It's a very common development error that doesn't do any harm (only that it shows this error)

the fix would be to check if the array is not empty

 

But anyway that plugin is called Merchant Expertise that doesn't do you any good so you can uninstall it. 

 

In this way you also avoid the error

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