500 Internal Server Error on Joomla 3.8.6
By Hideto on Thursday, 15 March 2018
Posted in General Issues
Replies 8
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Hello,

After we updated Joomla from 3.8.5 to 3.8.6, we faced '500 internal server error' issues when accessed to PayPlans related menus ("Subscription details" menu, for example).

So we reverted it back to Joomla 3.8.5, then 500 internal server errors are gone.
However, we noticed that the menu title for "Subscription details" become blank when switched language to non-English.

On Joomla 3.8.3, everything was working fine.

Will you please check on your end too?

Thanks,
rikao
Hello again,

Just wanted to inform you that we recently updated PayPal plugin to the latest 3.6.5.
I don't know if it's related or not, but just in case...

rikao
Hideto
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Thursday, 15 March 2018 15:42
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May i know is it possible for you duplicate a site from your live site and provide us with this duplicate site backend and FTP access so we can better have a check?

Because i did update Joomla 3.8.6 version in my locally, it seems everything work fine without hitting any error, it might be other thing caused this issue.
Arlex Wong
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Thursday, 15 March 2018 16:43
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Hello Arlex,

Thanks for your reply.
After that, we noticed that the issue was not only with PayPlans but all the pages that needed login. Sorry.

When I set error report to maximum, the following error appeared.
Nesting level too deep - recursive dependency? in .../libraries/joomla/event/dispatcher.php on line 198

And we found the solution here:
https://github.com/joomla/joomla-cms/pull/19912/files

Just wanted to share the solution just in case anyone faced the same issue.


rikao
Hideto
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Thursday, 15 March 2018 20:40
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Thanks for sharing this Hideto!
Mark
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Thursday, 15 March 2018 22:27
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Thanks a lot for sharing this solution.
I add the exact same problem.
Now it works again after changing the CMSAppliction.php file.
Christophe
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Wednesday, 21 March 2018 23:01
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Thanks for letting us know that patch file worked.
Arlex Wong
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Thursday, 22 March 2018 09:39
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This error is caused by the "system language filter". Disabling it will resolve the error in question.
Nauseous
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Friday, 30 March 2018 08:42
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Thanks for sharing.
Arlex Wong
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Friday, 30 March 2018 10:04
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