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Keep seeing this error in the logs over and over

Error: TypeError: Argument 1 passed to WHMCS\Knowledgebase\View\Index::getArticleTemplateData() must be an instance of WHMCS\Knowledgebase\Article, null given, called in /home/username/public_html/vendor/whmcs/whmcs-foundation/lib/Knowledgebase/Controller/Article.php on line 0 and defined in /home/username/public_html/vendor/whmcs/whmcs-foundation/lib/Knowledgebase/View/Index.php:0 Stack trace: #0

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i'd be tempted to play with the Friendly URL settings to see if that (routepath) is causing this... visually, I can't see anything wrong with the kb pages looking at your site.

byw - you might want to take a look at your currency prefixes for EUR and GBP as they're showing invalid characters.

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  • 1 month later...
5 hours ago, supernix said:

Sad to say that didn't help and still no resolution

as an aside, I will agree that v8+ does generate a lot more error logging - though whether its generating more errors rather than just logging more, i'm not sure.

you use a Zomex custom template don't you ? you could check with Jack and see if it's the template causing the error (I doubt it - but checking if the same error gets logged when using Six/21 might be indicative).

 ultimately, if this is a concern, then you should probably open a ticket and see what support say.

though I suspect that would tell you to try it in Six/21 too.

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  • 2 months later...

In case your issue is still not resolved or if anyone else needs a quick resolution:


we had this issue and whittled it down to all articles in a specific knowledgebase category. we couldn't work out how to fix the category and instead created a new category and moved the articles to the new category. This resolved this issue for us. It appeared to happen after a whmcs core upgrade.

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  • 8 months later...

Hi, just run query:

DELETE links FROM tblknowledgebaselinks as links
LEFT JOIN tblknowledgebase as article ON links.articleid = article.id
WHERE article.id IS NULL

It will remove the links of the category with the articles that you have already deleted and there will be no more problems.

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