[Resolved] I am trying to edit an existing view but i am getting an error so cannot edit

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[paulV-8]

I am trying to edit an existing view that i have created using Toolset. The view is already in use on the site and is rendering on the front end as expected.
However, If i go to edit the existing view i get an error in the back end.
Image 1 - When retrieving the view in the back end it displays the view, It then asks me if i want to edit the original or make a copy, i select edit the original
Image 2- I get an error message
Image 3 - When i click on resolve this is the message i get

This is on all existing views.

[Nigel Supporter Languages: English (English ) Spanish (Español ) Timezone: Europe/London (GMT+01:00)]

Before going any further, could you try disabling all non-Toolset plugins and switching theme to twentytwenty and seeing if the problem persists, I suspect there could be a compatibility issue. If you can then edit the Views it confirms some conflict and you should be able to identify the cause through a process of elimination.

Otherwise, I think we will need a copy of your site to be able to inspect it and see if we can determine the cause.

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You can share a copy via dropbox or similar here.

[paulV-8]

I have deactivated all plugins and moved to twenty twenty theme but still have the same issue. I even tried creating a new view. The editor worked fine and i saved it. Reloaded the page and got the same issue!

I have created a back up via duplicator. Can you turn this ticket private and i will share a dropbox link

[Nigel Supporter Languages: English (English ) Spanish (Español ) Timezone: Europe/London (GMT+01:00)]

External links are automatically hidden from other users, you can just paste the link in a public reply and it will be visible only to us and yourself.

[paulV-8]

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I was thinking back to changes i have done to the site over the last week and the only thing i did other than editing was some speed optimisation work.
We host with Siteground. They have a plugin called SG optimiser which allows you to combine JS and CSS files for speed optimisation. Could this be the cause?
Luckily i have taken a back up of the site and database before making any optimisation changes so i might try re-installing from that back up and see if that fixes it

[paulV-8]

Hi, I have restored the back up to before the SG optimizer optimisation and it all works as expected again. I will be closing this ticket as a result

[paulV-8]

My issue is resolved now. Thank you!