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We face a issue with our Magento 2.3.4, we got a blank page error when we visit the frontend.

Already enabled ini_set('display_errors', 1); but still no error is displayed.

We got a debug.log file with the following errors: 

[2020-03-17 10:33:01] main.INFO: Broken reference: the '' element cannot be added as child to '', because the latter doesn't exist [] []

I already tried to remove all cache etc, but I can not find and solve this issue.

Any idea how to solve this?

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  • you remove this file pub/generated/metadata/global.php and run php bin/magento setup:static-content:deploy the
    – Mohit Patel
    Mar 17, 2020 at 11:38
  • @MohitPatel Thanks! I tried this, but that does not seems to work. But the issue is related to the compile.
    – JGeer
    Mar 17, 2020 at 12:36
  • i think this problem pls try this links :- magento.stackexchange.com/questions/252188/…
    – Mohit Patel
    Mar 17, 2020 at 12:39
  • @MohitPatel Thanks! But we already run 2.3.4. for a while without a problem. This seems to be related to 2.3.3. Are you sure this edit is still necessary?
    – JGeer
    Mar 17, 2020 at 12:42
  • Please try this above link but i am noy sure but you are try . may be complete the issues.
    – Mohit Patel
    Mar 17, 2020 at 12:51

3 Answers 3

Reset to default
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Try to debug in this class and see what elements it is referencing and then find those in your XML files - vendor/magento/framework/View/Layout/ScheduledStructure/Helper.php:184

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  • Thanks! But how should we debug this and what should we change in this case?
    – JGeer
    Mar 17, 2020 at 13:08
  • Put a xdebug breakpoint if you already have that setup. If not then try doing error_log(); or do echo; die; for the values - $structure, $key, $type, $parentName . $alias
    – Arif Ahmad
    Mar 18, 2020 at 6:37
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Try this

app/bootstrap.php

Replace #ini_set('display_errors', 1); To ini_set('display_errors', 1);

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  • Thanks! I already tried his, but still no error is displayed. I see that we face this error after compile. Any ideas?
    – JGeer
    Mar 17, 2020 at 12:29
  • any console error ? or try to view your page source maybe display error in page-source
    – Sanket Makavana
    Mar 17, 2020 at 12:42
  • No the console also does not display any error, also php error logs are empty.
    – JGeer
    Mar 18, 2020 at 8:08
  • What is your magento mode?
    – Sanket Makavana
    Mar 18, 2020 at 8:23
  • Running dev mode.
    – JGeer
    Mar 18, 2020 at 8:37
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try this awesome solution. it works for me... https://magento.stackexchange.com/a/318528

in this solution, we need to change only one line in "Validator.php" file which is located at vendor\magento\framework\View\Element\Template\File\Validator.php

find the function which named "protected function isPathInDirectories($path, $directories)"

inside this function you will see following line...

$realPath = $this->fileDriver->getRealPath($path);

you have to replace this line with below following line

$realPath = str_replace('\\', '/', $this->fileDriver->getRealPath($path));

Original Answer you will see at : https://magento.stackexchange.com/a/318528

Post Credit :- Sushant Vishwas

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