ErrLookup › elsa-workflows/elsa-core
elsa-workflows/elsa-core
The Workflow Engine for .NET · C# · 3,868 source files
Analyzed at fe9217bdfa on 2026-09-13. 378 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
TransportFailure ProviderHttpException(ProviderHttpFailure.TransportFailure) | error_code | error | network, http, oidc, transport |
RedirectRejected ProviderHttpException(ProviderHttpFailure.RedirectRejected) | error_code | error | http, security, oauth, redirect |
| The configured application instance name from | validation | error | configuration, validation, azure-service-bus, naming |
BpmnErrorCodes.ExportSourceStale Workflow definition ' ' has changed since it was imported from BPMN: its… | exception | error | bpmn, export, stale-source, graph-hash |
BpmnErrorCodes.ExportSourceVersionUnknown Workflow definition ' ' carries BPMN source, but not the definition version it… | exception | error | bpmn, export, custom-properties, version |
| The provider client secret is unavailable. | exception | error | openid-connect, oauth, configuration, client-secret, authentication |
| Provider ' ' is not supported. | exception | error | efcore, persistence, unsupported-provider |
| Configuration connection | validation | error | configuration, secrets, validation, oidc |
| The replacement link was removed after its target user was… | exception | error | compensation, race-condition, ef-core, data-consistency |
| There is no handler to handle the | exception | error | mediator, dependency-injection, missing-handler |
| Subprocess element ' ' of process ' ' carries no… | exception | error | bpmn, subprocess, binding-ref, validation |
| The external authentication session is no longer valid. | exception | error | authentication, session-expired, token-refresh, connection-state |
| The identity provider metadata was incomplete or unsafe. | exception | error | openid-connect, https, metadata, authentication |
| A managed secret writer returned the live secret reference… | exception | error | secrets, staging, invariant |
DestinationRejected ProviderHttpException(ProviderHttpFailure.DestinationRejected) | error_code | error | http, security, ssrf, egress-validation |
| External Authentication handle-hashing settings are… | exception | error | configuration, csharp, dependency-injection, options-validation |
| A configured default role no longer exists. | exception | error | identity, roles, configuration, referential-integrity |
| An alteration job with ID | exception | error | in-memory-store, tenancy, id-conflict, alterations |
| Timeout and Cancelled are reserved User Task action keys. | validation | error | validation, user-task, reserved-key |
| The external refresh token is invalid. | exception | error | authentication, oauth, refresh-token, session |
| The Elsa user was deleted while its external identity link… | exception | error | race-condition, ef-core, user-provisioning, concurrency |
| The specified activity is not part of the workflow. | exception | error | workflow, scheduling, invalid-argument, runtime |
| C# workflow expression execution is disabled. Set… | exception | error | security, csharp, expressions, configuration, roslyn |
| This external identity provisioner does not support atomic… | exception | error | identity, unsupported-operation |
| Workflow JSON type alias resolved to non-instantiable type | exception | error | json, deserialization, workflow, type-resolution |
| Expression type is not supported | exception | error | elsascript, compiler, expression, unsupported |
| The identity provider token exchange failed. | exception | error | openid-connect, oauth, token-exchange, http, identity-provider |
ResponseTooLarge ProviderHttpException(ProviderHttpFailure.ResponseTooLarge) | error_code | error | http, payload-size, oidc, configuration |
| No published version of workflow definition with ID | exception | error | workflow, dotnet, dispatch, versioning, elsa |
| Outbox item does not contain a dispatch command for kind . | exception | error | outbox, runtime, data-integrity, invalid-operation |
| We lost a context. This could indicate a bug in a parent… | exception | critical | state-extraction, activity-contexts, csharp |
Timeout ProviderHttpException(ProviderHttpFailure.Timeout) | error_code | error | http, network, timeout, oauth |
| RequestBodyTooLargeException (no message; thrown when HTTP… | error_code | error | http, upload, payload-size, workflow |
NoHttpContext The HTTP context was lost during workflow execution. This typically occurs when… | error_code | error | http, workflow, suspension, aspnetcore |
| A unique Elsa user name could not be reserved for the… | exception | error | identity, name-collision, provisioning, concurrency |
BpmnErrorCodes.ExportNotImported Workflow definition ' ' does not currently carry BPMN source, so it cannot be… | exception | error | bpmn, export, custom-properties, not-imported |
| External identity provisioning failed and its just-in-time… | exception | critical | aggregate-exception, user-provisioning, cleanup, ef-core |
| The Elsa user was deleted while its external identity link… | exception | error | race-condition, ef-core, user-provisioning, compensation |
| The requested Elsa user does not exist. | exception | error | identity, user-not-found, provisioning, external-authentication |
| Activity is not reachable from the flowchart graph. Unable… | exception | error | flowchart, graph-connectivity, workflow-engine, dangling-activity |
| Entry point label ' ' not found in flowchart | exception | error | elsascript, compiler, workflow, label |
| Lost an owner context | exception | critical | state-extraction, completion-callbacks, csharp |
| Workflow instance not found | exception | error | workflow, dotnet, background-activity, persistence, elsa |
| Could not acquire distributed lock with key | exception | error | distributed-lock, timeout, concurrency, workflow-runtime |
| A label already exists with normalized name | exception | error | labels, in-memory-store, duplicate, uniqueness |
| Invalid backward connection: Every path from the source | exception | error | flowchart, graph-structure, backward-connection, loops |
| A secret named ' ' already exists. | exception | error | duplicate, concurrency, efcore, secrets, conflict |
| An alteration plan with ID | exception | error | in-memory-store, tenancy, id-conflict, alterations |
| A replacement-compensation link refers to a deleted user… | exception | critical | aggregate-exception, ef-core, data-consistency, cleanup |
| Failed to retrieve memory block with reference | exception | error | csharp, memory, workflow-variables |
| The identity provider callback issuer did not match the… | exception | error | openid-connect, authentication, issuer-mismatch |
| External identity links require a resolved tenant. | validation | error | |
| The restored previous link was removed after its user was… | exception | error | compensation, ef-core, transient-failure, data-consistency |
| Unexpected non-optional, non-Input | exception | error | elsascript, compiler, activity, constructor |
| User Task protected payload exceeds the configured limit. | validation | error | user-task, payload-size, validation |
| A proposal creator is required. | validation | error | ef-core, validation, missing-field, ai-proposals |
| Failed to insert AI proposal | exception | error | ef-core, ai-proposals, concurrency, dbupdate |
| Failed to parse Range header value | http | warning | http, range-request, bad-request, headers |
| The external refresh token cannot be used. | exception | error | authentication, token-refresh, race-condition, token-rotation |
| Workflow definition not found. | exception | error | workflow, runtime, not-found, definition |
| FaultException raised by Fault activity | exception | warning | workflow, fault, activity |
| The document declares the same element id more than once… | exception | error | bpmn, validation, duplicate-ids |
| Workflow definition payload is invalid. | exception | error | json, serialization, workflow-import, validation |
| Failed to parse If-Match header value | http | warning | http, etag, bad-request, headers |
| The identity provider callback could not be correlated. | exception | error | openid-connect, authentication, csrf, state-mismatch |
| Unable to save data | exception | error | postgresql, efcore, persistence, save-failure |
| Unsupported FlowJoinMode | exception | error | flowchart, enum, join-mode, workflow-engine |
| Output conversion failed during destination resolution | exception | error | workflow, output, conversion, binding |
| Target context activity must be this flowchart | exception | error | flowchart, internal-invariant, workflow-engine |
| Expected an EndObject token | validation | error | json, deserialization, system-text-json, malformed-input |
| Filtering workflow definitions by labels is not supported… | exception | error | labels, filtering, capability, unsupported-store |
| Input ' ' of the ' ' binding does not hold valid JSON | exception | error | bpmn, json, parse-error |
| Workflow definition with ID | exception | error | alterations, workflow-definition, published-version, resource-not-found |
| A already exists with ' ' in tenant ' '. | validation | error | identity, uniqueness, in-memory-store, duplicate |
| Unsupported JsonValueKind | exception | error | json, javascript, jint, converter |
| The External Authentication shared handle-hashing key must… | exception | error | configuration, csharp, base64, cryptography |
| There is no handler to handle the | exception | error | mediator, dependency-injection, command-handling, registration |
| Multiple handlers were found to handle the | exception | error | mediator, dependency-injection, ambiguous-handler |
| One or more workflow commit notifications failed. | exception | error | notifications, commit, runtime, aggregate-exception |
| BPMN element ' ' binds process activity ' ' as the work of… | exception | error | bpmn, host, invalid-state |
| The identity provider rejected the authentication request. | exception | error | openid-connect, authentication, oauth |
| Could not find a descriptor for expression type | exception | error | expressions, registry, missing-handler, workflow |
| The method must return Task or ValueTask | exception | critical | csharp, async, middleware, reflection |
| Drain already in progress; second invocation rejected | exception | warning | concurrency, drain, runtime, invalid-operation |
| Signal ' ' was not of type ' '. | exception | error | testing, signals, type-cast |
| None of the specified keys were found | exception | error | json, key-not-found |
| Unrecognized FluidValue | exception | error | liquid, fluid, base64, filter, argument-out-of-range |
| BPMN element ' ' binds work ' ', which activity ' ' does… | exception | error | bpmn, binding, reference-error |
| Document ' ' in storage unit ' ' expected version ' ' but… | exception | error | mongodb, concurrency, optimistic-locking, persistence |
| Workflow definition with ID | exception | error | testing, workflow-definitions, not-found |
| Multiple Invoke methods were found. Use either Invoke or… | exception | error | mediator, middleware, reflection, pipeline |
| No matching constructor found for activity type | exception | error | elsascript, compiler, activity, constructor, reflection |
| The identity provider metadata contained an unsafe endpoint. | exception | error | openid-connect, https, metadata, authentication |
| {reject.SafeReason} | exception | error | |
| Runtime entity instance document | validation | error | persistence, serialization, json, csharp |
| Unknown token | exception | error | csharp, json, expandoobject, serialization |
| Syntax descriptor with expression type | exception | error | serialization, expressions, workflow, registry |
| The secret binding selects a different resolver type. | exception | error | secrets, configuration, resolver-type |
| Activity ' ' not found in registry | exception | error | dsl, activity-registry, not-found |
| No alterations found in the transient properties. | exception | error | workflow, alterations, middleware, transient-properties |