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MarcelB

[SOLVED] Admin page not working - 500 error

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Hi,
I have an error "HTTP ERROR 500" when accessing the admin after cleaning the cache, in Prestashop 1.7. Frontend still works.

The detailed error looks like this:

--------------------------------------------------------------------------------------------------

1/1
Whoops, looks like something went wrong.
RuntimeException in PhpDumper.php line 1403:
Cannot dump definition because of invalid class name (NULL)
1. in PhpDumper.php line 1403
2. at PhpDumper->dumpLiteralClass('NULL') in PhpDumper.php line 790
3. at PhpDumper->addNewInstance('_defaults', object(Definition), 'return ', '$this->services['_defaults'] = ') in PhpDumper.php line 394
4. at PhpDumper->addServiceInstance('_defaults', object(Definition)) in PhpDumper.php line 639
5. at PhpDumper->addService('_defaults', object(Definition)) in PhpDumper.php line 666
6. at PhpDumper->addServices() in PhpDumper.php line 145
7. at PhpDumper->dump(array('class' => 'appDevDebugProjectContainer', 'base_class' => 'Container', 'file' =>
'/home/csgr/subdomains/shop/app/cache/dev/appDevDebugProjectContainer.php', 'debug' => true)) in bootstrap.php.cache line 2846
8. at Kernel->dumpContainer(object(ConfigCache), object(ContainerBuilder), 'appDevDebugProjectContainer', 'Container') in bootstrap.php.cache
line 2759
9. at Kernel->initializeContainer() in bootstrap.php.cache line 2533
10. at Kernel->boot() in bootstrap.php.cache line 2564
11. at Kernel->handle(object(Request), '1', false) in index.php line 86

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Can anyone help me, please? Thanks!

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Has is worked before and then stopped working?

Do you get the error right after you log in?

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8 hours ago, tomerg3 said:

Has is worked before and then stopped working?

Do you get the error right after you log in?

While cleaning the cache from the admin interface, I was removed in the frontend and later I could not access the admin interface, the errors being the ones shown above.

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