ErrLookup › BerriAI/litellm

BerriAI/litellm

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM] · Python · 3,789 source files

Analyzed at 82dd36c1a4 on 2026-09-01. 2982 documented errors.

Code / MessageTypeSeverityTags
otel.attributes: unknown attribute name(s)
validation error opentelemetry, otel, configuration, metrics, allowlist, validation
Bedrock guardrail failed
exception error litellm, bedrock, guardrails, aws, proxy, configuration
{e}
exception error litellm, authentication, http-401, python, credentials
BedrockException: Context Window Error
exception error bedrock, context-window, prompt-too-long, tokens, llm
Model not found in cost map. Tried checking
exception error image-generation, cost-tracking, pricing, model-registry
Generated CZRN is invalid
validation error cloudzero, czrn, identifier-validation, usage-export
- This error occurs when load balancing Responses API…
exception error
Only proxy admins can set
http error authorization, forbidden, rate-limit, metadata, rbac, proxy
Error updating key
exception error litellm, keys, generic-exception, python, error-handling
invalid_encrypted_content
AzureException - This error occurs when load balancing Responses API across…
exception error
vertex_project and vertex_location are required for Vertex…
validation error vertex-ai, imagen, image-edit, configuration, gcp-project, missing-config
litellm.JSONSchemaValidationError: model=
validation error litellm, structured-output, json-schema, mock-response, validation
Failed to fetch AgentOps token
exception error agentops, opentelemetry, authentication, tracing, network
Error compiling prompt
exception error arize-phoenix, litellm, prompt-management, template-rendering, wrapper-exception
target_model_names is required for this routing scenario
exception error litellm-proxy, batches, internal-error, invariant-check, http-500
Error parsing file upload response
exception error gemini, files-api, response-parsing, upload
{blocked.explanation}
exception error rubrik, guardrail, content-moderation, blocked, modify-response-exception
param ` ` is not supported on Bytez
exception error bytez, params, validation, tools, drop-params
Could not resolve credentials token. Got None or non-string…
exception critical vertex-ai, google-auth, credentials, token-refresh, async
Invalid response object
exception error litellm, response-conversion, debugging, schema-mismatch
image generation config is not supported for
validation error litellm, image-generation, provider, provider-config, registry
Content blocked: execution request detected
http error litellm, guardrails, block-code-execution, content-moderation, prompt-blocking
CodeInterpreterInterception: no sandbox available to run…
validation error sandbox, code-interpreter, state-consistency, litellm
No audio part found in the response
exception error speech, tts, audio-output, response-parsing
Only proxy admins can set `allowed_passthrough_routes` on a
http error litellm-proxy, authorization, privilege-escalation, keys, teams, security
{fault.tag}
Failed to list tools from server
http error mcp, upstream, tools-list, http-502, http-504, fault-classification
Provider not found
validation error litellm, openai-like, provider-registry, json-config, packaging
VLLM api base not found
exception error vllm, passthrough, api-base, environment-variable, litellm
Path parameter ' ' cannot include '.' or '..' segments
exception error mcp, openapi, path-traversal, input-validation
Admin-only endpoint. Not allowed to access this., your role=
http error litellm-proxy, authorization, admin-only, roles, budget-management
Error getting number of tokens from content list
exception error token-counting, content-validation, messages, valueerror
spend must be a finite number. Received
http error litellm-proxy, validation, nan, numbers, security, budget-management
BitBucket configuration not found. Please set…
validation error litellm, bitbucket, prompt-management, callbacks, configuration
Max recursion depth reached while reading image bytes for…
validation error litellm, black-forest-labs, flux, image-edit, recursion, input-validation
Cannot migrate covered tables: no salt key / master key is…
exception error litellm, credentials, encryption, salt-key, migration, environment-variable
Failed to fetch analytics
http error litellm-proxy, spend-analytics, internal-error, dates, database
bucket_name must be provided for GCS destination
validation error gcs, focus-export, config, litellm, validation
Trying to use Secret DetectionMissing litellm-enterprise…
exception error litellm, proxy, callbacks, hide-secrets, enterprise, importerror
not_found_error
Key not found in database
http error not-found, key-management, litellm-proxy
Credentials are None after loading
exception error vertex-ai, credentials, cache, defensive-check
Invalid budget_duration
http warning litellm-proxy, validation, duration, format, budget-management
Path parameter ' ' must not contain path separators
exception error mcp, openapi, path-traversal, input-validation, url-encoding
Could not calculate cost for model
http warning litellm-proxy, cost-tracking, pricing, model-resolution
Failed to decode JSON from chunk
validation error databricks, streaming, json, chunk-parsing
No fresh LiteLLM login found for this proxy. Run `lite…
exception error litellm, cli, authentication, token-expiry, non-interactive
DeepKeep guardrail API failed
exception error deepkeep, guardrail, http-error, fail-closed, network
Invalid model_max_budget
validation error budgets, validation, schema, litellm-proxy, keys
Login did not produce a usable token; cannot start `lite…
exception error litellm, cli, sso, login-failure
MCP server for tool ' ' is not available; refusing to…
http warning mcp, openapi, authorization, http-503, race-condition
extract_file_data does not accept bare str inputs. Pass…
validation error litellm, security, file-upload, input-validation, arbitrary-file-read
Response from PostHog API status_code
exception warning posthog, telemetry, http-status, callback, redirect
Setting user/encoding format is not supported by
validation error image-generation, bedrock, vertex-ai, unsupported-params, drop-params
Failed to parse DashScope response as JSON
http error dashscope, embeddings, json, response-parsing
Service-account keys cannot query user analytics. Use a…
http error litellm-proxy, authorization, service-account, multi-tenant, spend-analytics
No operation name in Veo response
exception error vertex-ai, veo, video-generation, response-parsing
Invalid response format. Received response does not match…
exception error watsonx, audio-transcription, response-schema, response-parsing, litellm
vertex_project is required for Vertex AI video generation…
validation error vertex-ai, veo, video-generation, project-id, configuration
PostHog credentials not found in kwargs
validation warning posthog, telemetry, credentials, callback
Error fetching cache settings
http error litellm-proxy, cache, redis, database, internal-error
Setting a model access group on a wildcard model is only…
http error licensing, enterprise, model-access-group, wildcard-route, litellm-proxy
Unsupported provider config
validation error litellm, transcription, provider-config, version-mismatch
Microsoft Purview DLP: upstream policy evaluation failed
http error microsoft-purview, guardrails, azure-ad, upstream, http, retry-after
model is required
validation error speech, tts, validation, kwargs, internal-api
Model with id= not found
exception error litellm, not-found, python, models, client-side
api base needs to be a string. api_base=
validation error litellm, api-base, type-validation, provider-routing, configuration
error - , Received response - , Type of response
exception error response-parsing, openai-compat, exception-wrapping, bare-exception
Stream completed response is invalid
exception error streaming, responses-api, type-validation, internal-api
Response status code
http error guardrail, zscaler, http-status, upstream, redirect
audience must be provided unless…
validation critical jwt, audience, validation, configuration, security, authentication
LEVOAI_ORG_ID environment variable is required for Levo…
validation error levo, environment-variables, configuration, opentelemetry, startup
License is over limit. Please contact support@berri.ai to…
http error litellm, license, user-management, seats, enterprise
Upgrade vertex ai. Run `pip install…
http error vertex-ai, model-garden, version-mismatch, dependency
f"Only proxy admins can create administrative users…
http error litellm, rbac, user-management, admin, privilege-escalation
Custom code guardrail not compiled
exception error guardrails, custom-code, internal-state, race-condition, litellm-proxy
f"Non-admin users cannot modify
http error litellm, rbac, self-update, budget, privilege-escalation
Response from opik API status_code
exception warning opik, logging-callback, api-response, http-status, observability
Trying to use OpenAI Moderations Check,This uses the…
exception error litellm, proxy, callbacks, moderation, enterprise, docker, importerror
usage is required, got=
validation error litellm, usage, logging, type-validation
OpenTelemetry OTLP HTTP exporter is not available. Install…
exception error opentelemetry, otel, import-error, missing-dependency, otlp-http, packaging
Ovalix: application_id or checkpoint_id not resolved
validation error ovalix, guardrails, internal-invariant, defensive-check
Gemini managed-agent endpoints require a caller-supplied…
http error litellm-proxy, gemini, agents, authentication, api-key, multi-tenant
invalid_request
invalid_request
http error oauth, redirect-uri, reverse-proxy, proxy-base-url, http-400, mcp
Content must be a string
exception error bytez, message-content, input-validation, openai-compat
IdP rejected the subject token
exception error oauth, token-exchange, http-401, idp, invalid-grant, mcp
No video data found in completed operation
exception error vertex-ai, veo, video-generation, response-parsing, content-filter
Content blocked: conditional match ' ' detected (severity: )
http error content-moderation, content-filter, http-400, guardrails
BedrockException - \n. Pass in default user message via…
exception error bedrock, message-ordering, converse-api, modify-params
Could not resolve credentials - either dynamically or from…
exception error vertex-ai, credentials, application-default-credentials, authentication
Error receiving chunk from stream
exception error databricks, streaming, network, connection-reset
DB not connected. This endpoint needs a database; set…
http error litellm-proxy, database, postgres, prisma, configuration, claude-code-marketplace
Invalid webhook url value for
exception error slack, webhook, environment-variable, secret-manager, alerting
BedrockException
exception error bedrock, bad-request, payload-validation, schema
DataDogLLMObs: Unexpected response - status_code
exception warning datadog, llm-obs, http-status, async, batching, telemetry-loss
Task type is not supported
exception error bedrock, nova-canvas, image-generation, invalid-parameter
api_base is required for PydanticAIProviderConfig
validation error pydantic-ai, a2a, api-base, configuration, provider
Template does not support LLM enrichment
http error
BedrockException - . Enable 'litellm.modify_params=True'…
exception error bedrock, tool-calling, message-ordering, modify-params, converse-api
OpenTelemetry OTLP gRPC metric exporter is not available…
exception error opentelemetry, otel, import-error, missing-dependency, otlp-grpc, metrics, v2, packaging
dynamic_api_key needs to be a string. Got type=
validation error litellm, api-key, type-validation, provider-routing, secret-handling
Embedding batch records do not have a chat-completion…
validation error bedrock, batch, internal-invariant, embeddings, litellm