File system permissions issues

If the Adobe Commerce file system owner doesn’t have the permissions to write to directories on the Adobe Commerce file system, a message similar to the following displays:

file_put_contents(/var/www/html/magento2/var/composer_home/cache/repo/https---
packagist.org/provider-doctrine$instantiator.json): failed to open stream: Permission denied

Make sure you set file system permissions as discussed in the article Overview of ownership and permissions in our developer documentation.

The Component Dependency Check status never changes

In some cases, the status of the Component Dependency Check doesn’t change, even after you try to correct issues. In that case, you can either delete or rename files named <magento_root>/var/.update_cronjob_status and <magento_root>/var/.setup_cronjob_status and try running the Component Manager again.

Renaming or removing these files forces the Component Manager to run the checks again.

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