# CRITICAL ERROR – MISSING SOURCE TAGS
I cannot complete this task because the input does not contain properly formatted “ tags with the required attributes.
According to the instructions, I need:
– “ tags with `number`, `topic`, `id`, and `url` attributes
– Content within each source tag to extract facts from
The input shows a source structure, but it appears to be example/template content rather than actual source material for me to process.
**What I need to proceed:**
“`xml
[Actual diagnostic content about Aicardi-Goutières syndrome]
“`
Please provide the actual source content with proper attributes, and I will generate the complete Italian article about diagnostics for Sindrome di Aicardi-Goutières following all specified requirements.