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I am getting reports from users of blank screens when going to register for an event. This does not happen for most users. The PHP error log says:

PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 400572416 bytes) in /home/sclgulf/public_html/sclgulf/vendor/civicrm/civicrm-core/CRM/Core/Error.php on line 520

There is no error in the CiviCRM log in the ConfigAndLog directory. I have tried allocating 1GB instead of 512MB and it makes no difference. Can anyone help me debug this please?

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  • Can you comment out the var_dump statement at line 520? Then it should show the actual error when it happens. I think it's running out of memory trying to dump the variable before it gets to say what the error is.
    – Demerit
    Jan 6, 2020 at 14:04
  • Hi, "There is no error in the CiviCRM log in the ConfigAndLog directory." that seems odd - can you double-check the permissions on the directory? Also would you mind updating your question with which version of CiviCRM you're on, and which payment processors you are using [on that event]? Also whether you're using PHP FPM or Apache's mod php?
    – artfulrobot
    Jan 10, 2020 at 17:01

1 Answer 1

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As per @Demerit's comment, and somewhat counter-intuitively, make sure you've got your debugging settings to "off" - it's running out of memory when reporting the error. If you turn the various debugging settings off, it'll still report quite a lot of detail of the error.

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  • Many thanks Alan for your comments, and @Demerit too.
    – Edward Peters
    Jan 10, 2020 at 8:51
  • I am seeing a long [warning] as follows when a payment is created (and is not marked complete by the dummy payment processor):
    – Edward Peters
    Jan 10, 2020 at 8:51
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    Jan 10 09:49:17 [warning] Deprecated function CRM_Core_OptionGroup::getValue, use CRM_Core_PseudoConstant::getKey. Array ( [civi.tag] => deprecated ) Jan 10 09:49:17 [warning] Deprecated code: We have merged input params into the property bag for now but please rewrite code to not use this. Jan 10 09:49:17 [warning] Deprecated code: Unknown property 'qfKey'. We have merged this in for now as a custom property. Please rewrite your code to use PropertyBag->setCustomProperty ...
    – Edward Peters
    Jan 10, 2020 at 8:53
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    Sorry, I cannot post the whole set of warnings as there is not enough characters in this message. But there are dozens of similar lines of warning about deprecated code. I am running latest Civivcrm 5.21 on Drupal 8
    – Edward Peters
    Jan 10, 2020 at 8:55
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    Ah, cool. That new PropertyBag code just got merged recently, you might have encountered an issue with it. lab.civicrm.org/dev/financial/issues/82 What payment processor are you using?
    – Alan Dixon
    Jan 10, 2020 at 16:33

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