What is the issue with the indentation of subkeys in Ansible Jinja2?

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The issue with the indentation of subkeys in Ansible Jinja2 is that it can affect the way that the YAML file is interpreted. If the subkeys are not properly indented, they may not be recognized as part of the parent key and can cause errors in the playbook. This can be particularly problematic when dealing with complex YAML files with many levels of nesting. It is important to pay close attention to indentation and ensure that subkeys are properly aligned with their parent keys.