ErrLookup › tui-cs/Terminal.Gui
tui-cs/Terminal.Gui
Cross Platform Terminal UI toolkit for .NET · C# · 1,483 source files
Analyzed at 2e47b11478 on 2026-08-13. 161 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| : Unsupported configuration converter type " " when dynamic… | exception | error | config, json, serialization, aot, trimming, nativeaot |
| : Converter " " does not expose a compatible Write method. | exception | error | config, json, serialization, converter, reflection |
| The text provided consisted of only whitespace characters. | validation | error | color, parsing, validation, format-exception |
| Unable to create string from Color with value | exception | info | drawing, color, formatting, unreachable, defensive |
| Configuration JSON root must not be null. | exception | error | config, json, sources-manager, config-root |
| DefaultKeyBindings dictionary is null. Initialize it before… | exception | error | config, keybindings, static-state, initialization |
| Adornment must be of type Border | exception | error | adornment, borderview, viewbase, rendering, invariant |
| : Json error in ScopeJsonConverter | exception | error | config, json, serialization, scope-json-converter |
| Background ImageView rendering failed. | exception | error | imageview, async, rendering, diagnostic |
| : Error parsing Key value | exception | error | json, configuration, keybindings, key, serialization |
| WordWrap settings was changed after the | exception | error | textview, wordwrap, state, reentrancy |
| The size of an item cannot be negative. | exception | error | layout, alignment, viewbase, dim, validation |
| Failed to set output console mode, error code | exception | warning | windows, console, driver, win32, output |
| Unsupported dictionary type | exception | error | deepcloner, dictionaries, configuration, reflection |
| Target | exception | error | layout, pos, viewbase, debugging, invariant |
| Error cloning dictionary | exception | error | deepcloner, dictionaries, concurrency, thread-safety, configuration |
| The Viewport of an AdornmentView cannot be modified. | exception | error | adornment, viewbase, layout, viewport, invariant |
| 0 length lines are not supported | validation | warning | linecanvas, drawing, invariant, argument-exception |
| Value must be one of the following | exception | error | selectorbase, validation, binding, precondition |
| Init called multiple times without Shutdown | exception | critical | lifecycle, initialization, static-state |
| Only valid Unicode scalar values are allowed in a single… | validation | error | drawing, cell, unicode, surrogate, grapheme |
| Cannot change timeout while mouse is held down. Call Stop()… | exception | error | mouse, input, viewbase, state, invariant |
| The ShadowStyle of MarginView cannot be set | exception | error | adornment, marginview, viewbase, shadow, invariant |
| Cannot use legacy static Application model… | exception | critical | lifecycle, api-model, static-state |
| : Unexpected token when parsing Attribute: . | exception | error | configuration, json, theming, attribute |
| MouseHoldRepeat only accepts null, Pressed, Released or… | exception | error | mouse, mouseholdrepeat, input, validation |
| Zoom level must be a finite number. | exception | error | imageview, numeric, validation, precondition |
| : Invalid Rune. | exception | error | json, configuration, rune, unicode, serialization |
| Failed to copy from the OS clipboard. | exception | warning | clipboard, environment, platform, os |
| No raster graphics support available. | exception | error | imageview, raster, validation, environment |
| Failed to parse Color from | exception | error | color, parsing, filesystem, configuration, filedialogs |
| Cannot create instance of type | exception | error | configuration, deepcloner, aot, reflection, instantiation |
| Cannot use modern instance-based model (Application.Create)… | exception | critical | lifecycle, api-model, static-state |
| Failed to set screenBuffer console mode, error code | exception | critical | windows, console, driver, win32, initialization |
| AdornmentView can only render to their Parent or Parent's… | exception | error | adornment, viewbase, rendering, linecanvas, invariant |
| Cannot create instance of type | exception | error | configuration, deepcloner, aot, trimming, nativeaot |
| Failed to get output console mode, error code | exception | critical | windows, console, driver, win32, output, initialization |
| Popovers must have ViewportSettings.Transparent and… | exception | error | popover, viewport, configuration |
| Invalid key string | exception | error | keyboard, parsing, keybindings, configuration, input |
| Cloning of collection type | exception | error | deepcloner, collections, configuration, reflection, aot |
| : No source-generated JsonTypeInfo is registered for this… | exception | error | config, json, serialization, source-generation, trimming |
| Cloning of frozen or immutable dictionaries like | exception | error | deepcloner, dictionaries, immutable, frozen, configuration |
| value | exception | error | linearselector, index, validation, precondition |
| Provided text is too short to be any known color format. | validation | error | drawing, color, parsing, validation |
| : No source-generated JsonTypeInfo is registered for . | exception | error | config, json, serialization, source-generation, aot |
| Failed to restore input console mode, error code | exception | error | windows, console, driver, win32, cleanup, teardown |
| Text was too short to be any possible supported format. | validation | error | color, parsing, validation, format-exception |
| Host runnable must have an associated IApplication. | exception | error | prompt, runnable, lifecycle, precondition |
| : Error reading property with converter " ". | exception | error | config, json, serialization, converter, deserialization |
| The first item must be the original. | exception | error | historytext, textinput, state, precondition |
| . = which depends on the SuperView's dimensions and the… | exception | warning | layout, dim-auto, diagnostics, circular-dependency |
| {propertyName}: "{property}" - {ex.Message} | exception | error | configuration, json, theming, attribute, wrapper |
| Failed to flush input queue, error code | exception | error | windows, console, driver, win32, cleanup, teardown |
| Failed to get input console mode, error code | exception | critical | windows, console, driver, win32, input, initialization |
| FuncTimeProvider does not support timers. Use… | exception | error | testing, time, timer, test-infrastructure |
| Unexpected color name | exception | error | configuration, json, theming, color |
| : Error writing property with converter " ". | exception | error | config, json, serialization, converter, reflection |
| Themes must include an item named | exception | error | config, theme, theme-manager, invariant |
| Error Applying Configuration Change | exception | error | configuration, apply, reflection, targetinvocationexception |
| T must be a numeric type that supports addition and… | exception | error | numericupdown, generics, validation, precondition |
| " " failed. | exception | error | clipboard, unix, linux, xclip, environment, not-supported |
| Expected a JSON array | exception | error | json, configuration, dictionary, serialization, config-file |
| Cloning of immutable collections like | exception | error | configuration, deepcloner, immutable-collections, notsupported |
| Failed to restore output console mode, error code | exception | error | windows, console, driver, win32, cleanup, teardown |
| The source stream must be seekable (CanSeek property) | exception | error | hexview, stream, validation, precondition |
| Failed to get screenBuffer console mode, error code | exception | critical | windows, driver, console, win32, init, environment |
| FocusedItem index is out of range | exception | error | optionselector, index, validation, precondition |
| " < " failed | exception | error | clipboard, unix, linux, xclip, environment, not-supported |
| OmitClassName is not allowed when Scope is AppSettingsScope… | validation | error | configuration, attribute, appsettings-scope, validation |
| The runnable is already running. | exception | error | session, runnable, lifecycle |
| CheckBox value not found | exception | error | selectorbase, checkbox, validation, precondition |
| Unexpected StartObject token when parsing Attribute | exception | error | config, json, serialization, theme |
| Maximum sixel palette colors must be greater than zero. | exception | error | imageview, sixel, validation, precondition |
| : " " is not a valid modifier. | exception | error | json, configuration, keybindings, key, modifiers, serialization |
| : Invalid Rune | exception | error | json, configuration, rune, unicode, serialization |
| Only a single Grapheme cluster is allowed per Cell. | validation | error | drawing, cell, unicode, grapheme |
| : " " is not a valid Key. | exception | error | json, configuration, keybindings, key, enum, serialization |
| Setting Values directly is not allowed. | exception | error | optionselector, enum, api-design, precondition |
| Failed to set input console mode, error code | exception | critical | windows, console, driver, win32, input, initialization |
| forTree | exception | error | treeview, nullable, constructor, precondition |
| Expected string token in MouseFlags array, got | exception | error | json, configuration, mouse, mousebindings, serialization |
| Invalid color name | validation | error | color, configuration, enum, theme, argument-exception |
| SelectedItem must be greater than 0 or less than the number… | exception | error | listview, index, validation, precondition |
| Steps must be greater than 0. | validation | error | gradient, drawing, validation, argument-exception |
| Popovers must be registered before being shown. | exception | error | popover, lifecycle, registration |
| The text provided was null or empty. | validation | error | drawing, color, parsing, validation, span |
| Attempt to Run the runnable that's already the top runnable. | exception | error | session, runnable, lifecycle, stack |
| Color hex string was not in a supported format | validation | error | color, parsing, hex, alpha-channel, format-exception |
| Unexpected token type for TraceCategory | validation | error | config, json, tracing, tracecategory, enum |
| Driver ' ' is not registered in DriverRegistry. | exception | critical | driver, initialization, config, platform |
| Expected a valid text style value. | exception | error | configuration, json, theming, attribute, textstyle, enum |
| Theme cannot be set before ConfigurationManager is… | exception | error | config, theme, theme-manager, initialization, ordering |
| Invoke | exception | error | threading, lifecycle, main-loop, initialization |
| Text did not match any expected format. | validation | error | color, parsing, named-color, format-exception |
| Driver not initialized. Call Init() first. | exception | error | input, testing, driver, initialization |
| Duplicate key ' ' in dictionary. | exception | error | configuration, json, theming, dictionary, duplicate-key |
| Init must be called before Run. | exception | critical | lifecycle, initialization, runnable |
| Value was not composed entirely of decimal digits. | validation | error | color, parsing, rgb, alpha-channel, format-exception |
| Cloning of collection type | exception | error | configuration, deepcloner, collections, ilist, notsupported |
| Error Applying Configuration Change | exception | error | configuration, apply, argument-exception, type-mismatch |