TypeError: count(): Argument #1 ($value) must be of type Countable|array

Created on 27 June 2025, 7 days ago

Problem/Motivation

If there are no lists checked on the "Constant Contact Available Lists" page (admin/config/services/ik-constant-contact/lists), then adding the "Constant Contact Multiple Lists Signup Form" block will lead to a HTTP 500 status with this error:

TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in count() (line 64 of /var/www/html/dv8.openplus.ca/html/core/lib/Drupal/Core/Render/Element/Checkboxes.php).

Steps to reproduce

Add a block while there are no lists check on admin/config/services/ik-constant-contact/lists.

Proposed resolution

Make the code robust against an empty value.

Remaining tasks

Implement.

User interface changes

Avoids a HTTP 500 status.

API changes

None.

Data model changes

None.

🐛 Bug report

Status

Active

Version

4.0

Component

Code

Created by

🇨🇦Canada Liam Morland Ontario, CA 🇨🇦

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Merge Requests

!14TypeError: count(): Argument #1 ($value) must be of type Countable|array
Open
Unnamed author
updated about 22 hours ago

Comments & Activities

Issue created by @Liam Morland
Comment 4 days ago →
🇺🇸United States rosemarystanley
Merge request !14Issue #3532829 by rosemaryreilman: TypeError: count(): Argument #1 ($value)... → (Open) created by Unnamed author
Comment 4 days ago →
🇺🇸United States rosemarystanley
I created a PR to see if just adding an empty options array will suffice. It may not since the default value = NULL if there's no other config set. It may error but I'm unable to test it at the moment. Marking as needing review. If you have a chance and can use the patch from the PR, let me know if that clears the error for you. Thank you!
Pipeline finished with Success
about 22 hours ago
Total: 145s
#538445
Comment about 19 hours ago →
🇨🇦Canada Liam Morland Ontario, CA 🇨🇦
This seems to have fixed it for me.

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