LCP / ATF / Critical Images - PHP Warning Undefined Property in Controller.php

[joejoe04]

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Describe the bug Some users are saying they see the following error in their logs:

PHP Warning: Undefined property: stdClass::$type in /data/sites/web/baniwafelsbe/www/wp-content/plugins/wp-rocket/inc/Engine/Media/AboveTheFold/Frontend/Controller.php on line 498; PHP message: PHP Warning: Undefined property: stdClass::$type in /data/sites/web/baniwafelsbe/www/wp-content/plugins/wp-rocket/inc/Engine/Media/AboveTheFold/Frontend/Controller.php on line 498;

To Reproduce

• We're still not sure yet
• May potentially be related to 'not found' fields in the lcp coloum of the wp_wpr_above_the_fold table: https://imagizer.imageshack.com/a/img922/3025/lawUD6.png

Expected behavior The error should not happen.

Additional context Ticket Slack

Acceptance Criteria (for WP Media team use only) Clear instructions for developers, to be added before the grooming

[joejoe04]

Another case: https://secure.helpscout.net/conversation/2659666365/504064/

[juricazuanovic]

Another case: https://secure.helpscout.net/conversation/2658539384/503840/

[sandyfigueroa]

Another case: https://secure.helpscout.net/conversation/2664318212/504895