These are setup warnings and notices about your project configuration. Fix the issues described, then restart the project to re-evaluate.
{% for sec in diagGrouped %}
{{ sec.section }}
{% for sub in sec.subgroups %}
{{ sub.label }}
{% for item in sub.diagnostics %}
{% if item.severity == 'error' %}
ERROR
{% elif item.severity == 'warning' %}
WARNING
{% else %}
NOTE
{% endif %}
{{ item.message }}
{% if item.suggestion %}
{{ item.suggestion }}
{% endif %}
{% if item.source %}
{{ item.source }}
{% endif %}
{% endfor %}
{% endfor %}
{% endfor %}