fi-0091: Invalid struct member type {:#fi-0091}

Warning: Default members are no longer allowed on any new FIDL struct layouts.

This error occurs when you try to set a default struct value for a non-supported type. Only numeric and boolean types are allowed to set a default struct value.

{% include “docs/reference/fidl/language/error-catalog/label/_bad.md” %}

{% includecode gerrit_repo="fuchsia/fuchsia" gerrit_path="tools/fidl/fidlc/tests/fidl/bad/fi-0091.test.fidl" exclude_regexp="\/\/ (Copyright 20|Use of|found in).*" %}

To fix this, remove the default value:

{% include “docs/reference/fidl/language/error-catalog/label/_good.md” %}

{% includecode gerrit_repo="fuchsia/fuchsia" gerrit_path="tools/fidl/fidlc/tests/fidl/good/fi-0091.test.fidl" exclude_regexp="\/\/ (Copyright 20|Use of|found in).*" %}

Note: Default struct members have been removed by RFC-0160: Remove support for FIDL struct defaults, and are currently deprecated, with no new uses cases being supported. See fi-0050 for more information.