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Hi Peter,

I thought I should backup my site before I made the change you suggested. Since I'm running Local WP, instead of installing a backup plugin, I tried cloning my site. As it turns out, when I checked the cloned site, the Member Archive and Member Single were working fine. In other words, I didn't need to change the CPT slug.

Do you have any ideas what might have caused the issue and/or point me in a direction on what I need to be investigating so I prevent the issue in the future?

Appreciate it,

KG

I'm a little late, but thanks for solving my problem. I completely missed the above in the documentation.

KG

I updated my wp-config.php file to turn debugging on. Unfortunately, I'm not finding a debug.log file even though when I look in the WP Dashboard under Site Health (Info tab / WordPress Constants subheading) it says WP_DEBUG is Enabled, WP_DEBUG_DISPLAY is Disabled, WP_DEBUG_LOG is Enabled, and SCRIPT_DEBUG is Disabled.

I also have a Site Health (Status tab) critical issue that says "Your site is set to log errors to a potentially public file."

Even though it appears debugging is on, when I search for the debug.log file using Filezilla nothing turns up.

I did, however, find this error.log file in the logs/php folder. It contains the following:

[05-Dec-2025 04:36:31 UTC] PHP Warning: Undefined array key "relation" in /home/localsvr/Local Sites/cctest/app/public/wp-content/plugins/meta-box-aio/vendor/wpmetabox/mbb-parser/src/Parsers/Base.php on line 168

The error for line 141 that you provided the fix for was also in the same file:

[02-Dec-2025 22:57:10 UTC] PHP Warning: Attempt to read property "term_order" on null in /home/localsvr/Local Sites/cctest/app/public/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/TaxonomyReorder.php on line 141

(Since you gave me the code fix, the error is no longer appearing in this file.)

Unfortunately the PHP Warning listed above doesn't seem to be the correct message for the problem I have saving taxonomy terms--I just tried saving a new term and the screen is still going into limbo when I click on the save button, but nothing new was written to the error.log file.

Let me know if there's anything else I can send you to help resolve the problem.

Thanks.

Hi Peter,

Appreciate the help.

Unfortunately, I can't copy the entire error line because it's being cut off on the left side. I'm not seeing a scroll bar on my screen to scroll to the beginning of the line, but here's what I managed to copy:

roperty "term_order" on null in /home/localsvr/Local Sites/cctest/app/public/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/TaxonomyReorder.php on line 141

The good news is: changing line 141 using your code fix seems to have solved the error line problem.

The bad news is: when I try to save the taxonomy, the cursor "spins" indefinitely without refreshing the screen, so it doesn't look like it's saving the new terms. If I click on one of the column headings or if click out of the taxonomy screen and then go back in, it updates the screen and the new record appears.

The same scenario happens when I click on the Reorder link.

Thanks again,