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This thread is resolved. Here is a description of the problem and solution.

Problem:
If you're experiencing an error when updating existing posts in the classic editor after upgrading ACFML from version 2.0.5 to 2.1.1,
Solution:
We recommend upgrading to ACFML version 2.1.2, where this issue has been resolved. You can check the changelog and download the update from here.

Please note that this solution might be irrelevant if it's outdated or not applicable to your case. We highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If the problem persists, please open a new support ticket with us for further assistance.

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This topic contains 2 replies, has 2 voices.

Last updated by Noman 1 year, 2 months ago.

Assisted by: Noman.

Author Posts
May 6, 2024 at 9:18 am #15596187

montagmorgens

Hi WPML, after upgrading ACFML from 2.0.5 to 2.1.1 today, we're getting the following error when updating existing posts in the classic editor:

May 7, 2024 at 7:49 am #15600196

Noman
WPML Supporter since 06/2016

Languages: English (English )

Timezone: Asia/Karachi (GMT+05:00)

Can you please take a complete backup of your site and try the workaround from this errata: https://wpml.org/errata/advanced-custom-fields-fatal-error-uncaught-typeerror-count-argument-1-value-must-be-of-type-countablearray-wp_post-given/ and see if this resolves the issue.

Thank you for your cooperation

May 8, 2024 at 9:16 am #15605108

Noman
WPML Supporter since 06/2016

Languages: English (English )

Timezone: Asia/Karachi (GMT+05:00)

Update: This issue is fixed in ACFML 2.1.2
https://wpml.org/download/acfml/?section=changelog