ErrLookup › Cysharp/UniTask

Cysharp/UniTask

Provides an efficient allocation free async/await integration for Unity. · C# · 190 source files

Analyzed at ceac8d6946 on 2026-08-13. 33 documented errors.

Code / MessageTypeSeverityTags
package.json and env version are mismatched.
exception error ci-cd, build, versioning, unity-editor, package-export
Channel is already closed.
exception error channel, async, concurrency, producer-consumer
Enumerator is already running, does not allow call GetAsyncE
exception error channel, async, single-consumer, enumeration
Attempting to use an invalid operation handle
exception error addressables, unity, resource-management, async, handle
minimumLength
validation error array-pool, argument-validation, internal
Not yet completed.
exception error async, task-completion, misuse, getresult
continuation is already registered.
exception error async, continuation, single-awaiter, concurrency
capacity
validation error internal, data-structure, argument-validation
EmptyQueue
exception error internal, data-structure, empty-queue
Detected invalid initialization(use 'default'), only to crea
exception error stopwatch, struct-default, misuse, initialization
Use ForEachAwaitAsync instead.
exception error obsolete, migration, linq, breaking-change
Delay does not allow minus delayFrameCount. dueTimeFrameCoun
validation error timer, frame-based, argument-validation
Delay does not allow minus periodFrameCount. periodFrameCoun
validation error timer, frame-based, argument-validation, repeating, bug-in-message
Delay does not allow minus intervalFrameCount. intervalFrame
validation error timer, frame-based, argument-validation, interval
Target PlayerLoopSystem does not found. Type:
exception critical player-loop, initialization, unity-compatibility, startup
Target playerLoopTiming is not injected. Please check Player
exception error player-loop, initialization, timing, startup
Can not trigger itself in iterating.
exception error unitask, trigger-event, reentrancy, unity, csharp
handler
exception error unitask, trigger-event, null-argument, unity, csharp
Delay does not allow minus delayFrameCount. delayFrameCount:
exception error unitask, delay, argument-validation, unity, csharp
Delay does not allow minus delayTimeSpan. delayTimeSpan:
exception error unitask, delay, argument-validation, timespan, unity, csharp
The tasks argument contains no tasks.
exception error unitask, whenany, argument-validation, unity, csharp
exception
exception error unitask, wheneach, null-argument, unity, csharp
Not yet completed, UniTask only allow to use await.
exception error unitask, completion-source, await-violation, unity, csharp
continuation
exception error unitask, completion-source, null-argument, unity, csharp
Already continuation registered, can not await twice or get
exception error unitask, completion-source, await-violation, single-use, unity, csharp
Token version is not matched, can not await twice or get Sta
exception error unitask, completion-source, token-validation, single-use, unity, csharp
not yet completed.
exception error unitask, completion-source, await-violation, auto-reset, unity, csharp
Exceed Timeout:
exception error unitask, timeout, cancellation, unity, csharp
Disposable is already set
exception error unitask, observable, disposable, rx-interop, unity, csharp
AsyncSubject is not completed yet
exception error async, observable, invalidoperation, unitask, rx
error
exception error observable, argumentnullexception, unitask, rx, validation
observer
exception error observable, argumentnullexception, unitask, subscription, validation
unityWebRequest.error
exception error network, unitywebrequest, http, unitask, unity