ErrorCode

ErrorCode = "not-pdf" | "missing-root" | "reference-cycle" | "limit-exceeded" | "strict" | "data-pending" | "source" | "type" | "invalid-structure" | "unset-object" | "repaired-base" | "encrypted-base" | "password-required" | "wrong-password" | "unsupported-security-handler" | "unexpected-eof" | "syntax" | "unsupported-filter" | "decompress" | "nested-transaction" | "no-transaction" | "unknown-page" | "direct-page" | "unsupported-version" | "invalid-op-log" | "saved-not-rebased" | "no-pending-save" | "sink" | "not-rebased" | "sink-not-empty" | "would-invalidate-signatures" | "requires-rewrite" | "invalid-font" | "collection-index" | "unknown-axis" | "font-not-embeddable" | "missing-glyph" | "glyph-out-of-range" | "unknown-font" | "subset-failed" | "invalid-axis-value" | "wrong-document" | "invalid-feature" | "invalid-text-range" | "unsupported-layout-option" | "font-mismatch" | "encoding-full" | "font-not-shapable" | "invalid-image" | "unsupported-image" | "image-too-large" | "image-data-length" | "invalid-icc-profile" | "color-components" | "invalid-color" | "invalid-geometry" | "text-overflow" | "page-index-out-of-range" | "unknown-destination" | "invalid-page-labels" | "render-too-large" | "render-failed" | "render-backend-unavailable" | "cancelled" | "job-finished" | "document-changed" | "builder-finished" | "invalid-argument" | "source-budget-exceeded" | "unknown-option" | "already-initialized" | "extract-module-not-loaded" | "fetch-failed" | "not-initialized" | "source-changed" | "text-module-not-loaded" | "disposed" | "worker-version-mismatch" | "worker-crashed" | "worker-failed"

Every error code (ADR 0026 §3; fixtures/codes.json).