Errors like 'Definition for element could not be located' and 'preview could not load'

[macvink]

For one page I still get errors at the page in cornerstone:
"Preview could not load"
or (after 10 times reload te page) everything appears but clicking on an element causes the message:
"Definition for element could not be located"
I have had problems with this page in the past. It is a page with a lot of elements so I think it is a memory issue. Is there a way to increase the memory with a plugin in stead of adding codes in php-files?

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[prakash_s]

Hello @macvink,

Thanks for writing to us.

In order to help you with your concerns, we need to check your settings. I would request please share the admin login details meanwhile I would suggest you troubleshoot a few of the common issues before we investigate your settings. Please share your details in a secure note. Please provide the following details

• WordPress Login URL
• Admin-level username and password
• Exact page URL

You can find the Secure Note button at the bottom of your posts

Thanks

[macvink]

And the exact page url:

Onderwijsassistenten - Driegang

[prakash_s]

Hello @macvink,

Thanks for sharing the login details. It seems there might be an issue with the PHP memory limit. I would suggest you please have a look at this documentation to learn more about how to increase the PHP memory limit. I also recommend you ask your web host to configure the following server settings with the specified values or more for the PHP.

memory_limit = 512M
upload_max_filesize = 512M
post_max_size = 512M
max_execution_time = 300
max_input_time = 300
max_allowed_packet = 16MB
innodb_log_file_size = 128M
allow_url_fopen = On

And MySQL Configurations

max_allowed_packet = 16MB
innodb_log_file_size = 128MB

Hope it helps
Thanks