Certain platform names are reserved by FIDL. For example, the “unversioned” platform is reserved to represent libraries that don't use versioning:
{% include “docs/reference/fidl/language/error-catalog/label/_bad.md” %}
{% includecode gerrit_repo="fuchsia/fuchsia" gerrit_path="tools/fidl/fidlc/tests/fidl/bad/fi-0208.test.fidl" exclude_regexp="\/\/ (Copyright 20|Use of|found in).*" %}
Choose a different platform name instead:
{% include “docs/reference/fidl/language/error-catalog/label/_good.md” %}
{% includecode gerrit_repo="fuchsia/fuchsia" gerrit_path="tools/fidl/fidlc/tests/fidl/good/fi-0208.test.fidl" exclude_regexp="\/\/ (Copyright 20|Use of|found in).*" %}
See FIDL versioning to learn more about versioning.