ACSD-55031: Type "mixed" cannot be nullable error during compilation
The ACSD-55031 patch fixes the issue where the Type "mixed" cannot be nullable error during compilation after installing a custom extension. This patch is available when the Quality Patches Tool (QPT) 1.1.40 is installed. The patch ID is ACSD-55031. Please note that the issue was fixed in Adobe Commerce 2.4.6.
Affected products and versions
The patch is created for Adobe Commerce version:
- Adobe Commerce (all deployment methods) 2.4.5-p4
Compatible with Adobe Commerce versions:
- Adobe Commerce (all deployment methods) 2.4.5 - 2.4.5-p5
magento/quality-patches package to the latest version and check the compatibility on the Quality Patches Tool: Search for patches page. Use the patch ID as a search keyword to locate the patch.Issue
The Type "mixed" cannot be nullable error occurs during compilation.
Steps to reproduce:
- Install a custom extension.
- Run the command
bin/magento setup:di:compile.
Expected results:
No errors occur during compilation.
Actual results:
The var/log/system.log file contains the error:
report.ERROR: Type "mixed" cannot be nullable
Apply the patch
To apply individual patches, use the following links depending on your deployment method:
- Adobe Commerce or Magento Open Source on-premises: Quality Patches Tool > Usage in the Quality Patches Tool guide.
- Adobe Commerce on cloud infrastructure: Upgrades and Patches > Apply Patches in the Commerce on Cloud Infrastructure guide.
Related reading
To learn more about Quality Patches Tool, refer to:
- Quality Patches Tool released: a new tool to self-serve quality patches in the support knowledge base.
- Check if patch is available for your Adobe Commerce issue using Quality Patches Tool in the Quality Patches Tool guide.
For info about other patches available in QPT, refer to Quality Patches Tool: Search for patches in the Quality Patches Tool guide.