[Support request] Testing GP 2.0

[Greg]

GP 2.0
When using the generate press child theme along with GP 2.0 I get the following errors one one particulr development site:
Warning: array_merge(): Argument #5 is not an array in /home/gregl027/public_html/coffee-beenz.com/wp-includes/widgets.php on line 1159

Warning: array_diff(): Argument #2 is not an array in /home/gregl027/public_html/coffee-beenz.com/wp-includes/widgets.php on line 1160

Warning: Invalid argument supplied for foreach() in /home/gregl027/public_html/coffee-beenz.com/wp-includes/widgets.php on line 1162

Warning: array_merge(): Argument #1 is not an array in /home/gregl027/public_html/coffee-beenz.com/wp-includes/widgets.php on line 1170

When I disable the child them all is good.

Child theme contents
/*
Theme Name: GeneratePress Child
Theme URI: http://generatepress.com
Description: Default GeneratePress child theme
Author: Thomas Usborne
Author URI: http://edge22.com
Template: generatepress
Version: 0.1
Tags: two-columns, three-columns, one-column, right-sidebar, left-sidebar, fluid-layout, responsive-layout, custom-header, custom-background, custom-menu, custom-colors, sticky-post, threaded-comments, translation-ready, featured-images, theme-options, light, white, dark, black, blue, brown, gray, green, orange, pink, purple, red, silver, tan, yellow
*/

[Greg]

Actually the errors disappear after reloading the site, but return after switching between gp2.0 and gp child

Cheers
Greg

[Tom]

Hi there,

This was a WP 4.9 bug – have you updated to 4.9.1?

[Greg]

Yes Indeed

[Tom]

Hmm, strange indeed. If you search this string, you’ll see it happening with a lot of themes: wp-includes/widgets.php on line 1159

It’s caused by something they did in 4.9 which tries to maintain widgets and widget position when switching themes.

Are all of your widgets in the same areas after doing the switches?

Does the same thing happen when switching between GP 1.4 and your child theme?

[Greg]

Hello Tom,
all the widgets are in the same place and i just tested with GP1.4 and everything works as one would expect.

Cheers
Greg

[Tom]

So the error doesn’t display now if you activate the child and parent? Now if you update to 2.0, it displays again?

[Greg]

That is correct. I can switch between GP 1.4 and the GP Child theme without any errors. Soon as I update to 2.0 i get the errors.

Cheers
Greg

[Tom]

Ah, looks like they didn’t ship it in 4.9.1: https://core.trac.wordpress.org/ticket/42603

[Tom]

How are you switching to 2.0? Using the Easy Theme and Plugin Upgrades plugin?

[Greg]

yes, exactly per the instructions you sent out.

[Tom]

Can you send me temporary admin login details possibly?: https://generatepress.com/contact/

[Greg]

Hello Tom,
Other than the pre-sale form I was not too clear on where to enter the credentials for you to access the site.

Here are the creds.
I will change them when you are done:

let me know when you are done please

Cheers
Greg

[Leo]

Hi Greg,

I’ve removed the admin info for safety and added as a note to Tom.

For future reference, you can send it through Account Issue here: https://generatepress.com/contact/

[Tom]

This is indeed a bug in WP 4.9: https://core.trac.wordpress.org/ticket/42603#comment:11

Looks like it’s been fixed in the next WP version.

[Author]

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