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Fix Anthropic Claude API 529 overloaded error that blocks paid API calls Includes evidence for Anthropic API troubleshooting demand.
Anthropic API Error 529: {"type":"error","error":{"type":"overloaded_error","message":"Overloaded"},"request_id":"req_..."} Fix Anthropic API calls failing with SSL errors when using LiteLLM proxy behind vault sidecar in K8s Includes evidence for Anthropic API troubleshooting demand.
SSL certificate verification failed for every Anthropic API call — ECONNRESET from vault sidecar intercepting TLS to api.anthropic.com Fix intermittent Anthropic API error rejecting valid PDF documents provided as base64-encoded document blocks Includes evidence for Anthropic API troubleshooting demand.
400 invalid_request_error: Could not process PDF Fix Anthropic Bedrock streaming crash where error envelopes are deserialized as completion events Includes evidence for Anthropic API troubleshooting demand.
AttributeError: 'NoneType' object has no attribute 'model' / 'usage' when Bedrock returns SSE error events Fix Anthropic structured outputs 400 error when using complex but valid JSON schemas with output_config.format json_schema Includes evidence for Anthropic API troubleshooting demand.
400 invalid_request_error: The compiled grammar is too large, which would cause performance issues. Simplify your tool schemas or reduce the number of strict tools. Fix Anthropic SDK Bedrock Vertex 413 529 error codes not mapped to typed exceptions retry backoff broken Includes evidence for Anthropic API troubleshooting demand.
413 returns generic APIStatusError instead of RequestTooLargeError; 529 OverloadedError falls into InternalServerError on Bedrock/Vertex Fix Anthropic Python SDK streaming error TypeError unexpected event runtime type dict instead of typed model Includes evidence for Anthropic API troubleshooting demand.
TypeError: Unexpected event runtime type, after deserialising twice — {'type': 'content_block_delta', 'index': 0, 'delta': {'type': 'text_delta', 'text': '...'}} — <class 'dict'> Fix Anthropic SDK throwing generic errors for 413 and 529 HTTP status codes instead of typed exceptions on Bedrock/Vertex backends Includes evidence for Anthropic API troubleshooting demand.
Anthropic SDK does not map HTTP 413 (payload too large) or 529 (overloaded) to typed exceptions on Bedrock/Vertex Fix Anthropic SDK tool_runner loop hanging infinitely or dropping responses when append_messages() is called during tool execution Includes evidence for Anthropic API troubleshooting demand.
append_messages() inside tool runner loop causes infinite loop (plain context message) or dropped assistant turn (assistant message replacement) — two failure modes Fix Anthropic SDK Bedrock/Vertex clients not raising correct exception types for 413 Request Too Large and 529 Overloaded errors Includes evidence for Anthropic API troubleshooting demand.
Bedrock and Vertex _make_status_error methods missing 413→RequestTooLargeError and 529→OverloadedError mapping (canonical Anthropic client already maps these) fix Anthropic API cache billing extra charges / understand cache_control breakpoint behavior Includes evidence for Anthropic API troubleshooting demand.
Server writes additional cache entries past explicit cache_control breakpoint, billing 1.25x for tokens that are never read fix Anthropic SDK append_messages infinite loop / tool runner loop stuck Includes evidence for Anthropic API troubleshooting demand.
append_messages() inside tool runner loop causes infinite loop Fix Anthropic API streaming connection dropping during long-running code execution or skills runs Includes evidence for Anthropic API, Python SDK troubleshooting demand.
RemoteProtocolError: Stream dropped mid-request during long code_execution + skills runs Fix AttributeError NoneType crash when Anthropic streaming SSE events contain malformed data Includes evidence for Anthropic API, Python SDK troubleshooting demand.
AttributeError: 'NoneType' object has no attribute — caused by streaming SSE event errors fix AWS Bedrock anthropic claude haiku on-demand throughput not supported error Includes evidence for Anthropic API troubleshooting demand.
anthropic.claude-3-haiku-20240307-v1:0 with on-demand throughput isn't supported. Retry your request with the ID or ARN of an inference profile Fix Anthropic API cache billing overcharge when server writes past cache_control breakpoint Includes evidence for Anthropic API troubleshooting demand.
Anthropic API cache entries billing 1.25x for tokens that are never read — server writes past explicit cache_control breakpoint Fix Anthropic Batch API returning 404 Not Found intermittently after successfully creating a batch Includes evidence for Anthropic API troubleshooting demand.
Anthropic NotFoundError (404) on Batch API - server-side propagation delay Fix Anthropic Python SDK returning wrong status code 200 for streaming SSE errors like overloaded_error Includes evidence for Anthropic API troubleshooting demand.
Anthropic APIStatusError with status_code=200 for mid-stream SSE overloaded_error Fix Anthropic API 429 rate limit error where billing counter is decremented even when the request fails Includes evidence for Anthropic API troubleshooting demand.
429 {"type":"error","error":{"type":"rate_limit_error","message":"Rate limited"}} Fix Anthropic API rate limit counter not being reversed when requests fail, causing unexpected charges Includes evidence for Anthropic API troubleshooting demand.
Anthropic API Error: 429 rate_limit_error — counter decremented and charged despite failed request