Fragments Error Codes

41 codes

TypeStyle diagnostics use stable, versioned FUI code identifiers so CLI, CI, MCP, and Cloud can point to the same explanation. The diagnostic set itself is currently experimental.

Catalog

FUI1001Component should use the canonical primitive

components/non-canonical · Canonical Usage · serious · experimental

FUI1002Preferred component should be used

components/preferred-component · Canonical Usage · serious · experimental

FUI1003Import should use the preferred path

imports/preferred-path · Canonical Usage · moderate · experimental

FUI1004Library component should be preferred

components/prefer-library · Canonical Usage · moderate · experimental

FUI1005Component is not in the allowed set

components/allow · Canonical Usage · serious · experimental

FUI1006Component is denied by policy

components/deny · Canonical Usage · serious · experimental

FUI2001Design token is required

tokens/require-design-tokens · Tokens · serious · experimental

FUI2002Token prefix is not allowed

tokens/allowed-prefixes · Tokens · moderate · experimental

FUI2003Token fallback is required

tokens/require-dual-fallback · Tokens · serious · experimental

FUI2004Raw dimension should use a token

styles/no-raw-dimensions · Tokens · serious · experimental

FUI2005Raw color should use a token

styles/no-raw-color · Tokens · serious · experimental

FUI2006Raw spacing should use the scale

styles/no-raw-spacing · Tokens · serious · experimental

FUI2007Tailwind arbitrary color should use a token

tailwind/arbitrary-color · Tokens · moderate · experimental

FUI2008Tailwind arbitrary spacing should use the scale

tailwind/arbitrary-spacing · Tokens · moderate · experimental

FUI2009Tailwind palette is forbidden

tailwind/forbidden-palette · Tokens · moderate · experimental

FUI2010Tailwind color should use a resolved token

tailwind/raw-color-via-token · Tokens · moderate · experimental

FUI2011Tailwind spacing token is off scale

tailwind/off-scale-spacing-token · Tokens · moderate · experimental

FUI2012Tailwind class is unknown

tailwind/unknown-class · Tokens · moderate · experimental

FUI2013Brand seed token is required

brand/enforce-seeds · Tokens · serious · experimental

FUI2014Theme-coupled literal should use a semantic token

theme/no-theme-coupled-literal · Tokens · moderate · experimental

FUI2015CSS variable is not in the contract vocabulary

tokens/css-vars-must-be-defined · Tokens · moderate · experimental

FUI3001Accessible name is required

a11y/required-accessible-name · A11y · serious · experimental

FUI3002Accessibility standard failed

a11y/standard · A11y · serious · experimental

FUI5001Required child component is missing

components/required-children · Composition · serious · experimental

FUI5002Component should use canonical composition

components/canonical-usage · Composition · serious · deprecated

FUI5003Too many of a component in one region

composition/cardinality · Composition · moderate · experimental

FUI5004Required companion component is missing from the region

composition/co-occurrence · Composition · moderate · experimental

FUI6001Prop is unknown

props/unknown · Props · moderate · experimental

FUI6002Prop value is invalid

props/invalid-value · Props · serious · experimental

FUI6003Prop pattern is banned

props/banned-pattern · Props · serious · experimental

FUI6004Prop value is forbidden

components/forbidden-prop-value · Props · serious · experimental

FUI6005Component prop is unknown

components/unknown-prop · Props · moderate · experimental

FUI8001Event handler prop is blocked

safety/block-event-handlers · Safety · serious · experimental

FUI8002Dangerous prop is blocked

safety/block-dangerous-props · Safety · critical · experimental

FUI8003Controlled prop is blocked

safety/block-controlled-props · Safety · serious · experimental

FUI8004Function prop is blocked

safety/block-function-props · Safety · serious · experimental

FUI8005Internal prop is blocked

safety/block-internal-props · Safety · critical · experimental

FUI8006Href must be sanitized

safety/sanitize-hrefs · Safety · critical · experimental

FUI9001Suppression is unused

unused-suppression · System · minor · experimental

FUI9002Suppression is expired

expired-suppression · System · serious · experimental

FUI9003Suppression expiry is missing

missing-expiry · System · minor · experimental