llm — FixDevsLatest fixes and solutions for llm errors on FixDevs.https://fixdevs.com/enThu, 09 Apr 2026 00:00:00 GMTFix: CrewAI Not Working — Agent Delegation, Task Context, and LLM Configuration Errorshttps://fixdevs.com/blog/crewai-not-working/https://fixdevs.com/blog/crewai-not-working/How to fix CrewAI errors — LLM not configured ValidationError, agent delegation loop, task context not passed between agents, tool output truncated, process hierarchical vs sequential, and memory not persisting across runs.Thu, 09 Apr 2026 00:00:00 GMTpythoncrewaillmagentsmulti-agentaidebuggingFixDevsFix: LangGraph Not Working — State Errors, Checkpointer Setup, and Cyclic Graph Failureshttps://fixdevs.com/blog/langgraph-not-working/https://fixdevs.com/blog/langgraph-not-working/How to fix LangGraph errors — state not updating between nodes, checkpointer thread_id required, StateGraph compile error, conditional edges not routing, streaming events missing, recursion limit exceeded, and interrupt handling.Thu, 09 Apr 2026 00:00:00 GMTpythonlanggraphlangchainllmagentsaidebuggingFixDevsFix: LlamaIndex Not Working — Import Errors, Vector Store Issues, and Query Engine Failureshttps://fixdevs.com/blog/llamaindex-not-working/https://fixdevs.com/blog/llamaindex-not-working/How to fix LlamaIndex errors — ImportError llama_index.core module not found, ServiceContext deprecated use Settings instead, vector store index not persisting, query engine returns irrelevant results, and LlamaIndex 0.10 migration.Thu, 09 Apr 2026 00:00:00 GMTpythonllamaindexllama-indexllmragvector-searchdebuggingFixDevsFix: vLLM Not Working — CUDA OOM, Model Loading, and API Server Errorshttps://fixdevs.com/blog/vllm-not-working/https://fixdevs.com/blog/vllm-not-working/How to fix vLLM errors — CUDA out of memory during model load, tokenizer mismatch with HuggingFace, tensor parallel size does not match GPU count, KV cache exceeds memory, OpenAI API compatibility issues, and max_model_len too large.Thu, 09 Apr 2026 00:00:00 GMTpythonvllmllminferencemachine-learninggpudebuggingFixDevsFix: Hugging Face Transformers Not Working — OSError, CUDA OOM, and Generation Errorshttps://fixdevs.com/blog/huggingface-transformers-not-working/https://fixdevs.com/blog/huggingface-transformers-not-working/How to fix Hugging Face Transformers errors — OSError can't load tokenizer, gated repo access, CUDA out of memory with device_map auto, bitsandbytes not installed, tokenizer padding mismatch, pad_token_id warning, and LoRA adapter loading failures.Mon, 06 Apr 2026 00:00:00 GMTpythonhuggingfacetransformersllmaidebuggingFixDevsFix: LangChain Python Not Working — ImportError, Pydantic, and Deprecated Classeshttps://fixdevs.com/blog/langchain-python-not-working/https://fixdevs.com/blog/langchain-python-not-working/How to fix LangChain Python errors — ImportError from package split, Pydantic v2 compatibility, AgentExecutor deprecated, ConversationBufferMemory removed, LCEL output type mismatches, and tool calling failures.Mon, 06 Apr 2026 00:00:00 GMTpythonlangchainllmaidebuggingFixDevsFix: Ollama Not Working — Connection Refused, Model Not Found, GPU Not Detectedhttps://fixdevs.com/blog/ollama-not-working/https://fixdevs.com/blog/ollama-not-working/How to fix Ollama errors — connection refused when the daemon isn't running, model not found, GPU not detected falling back to CPU, port 11434 already in use, VRAM exhausted, and API access from other machines.Mon, 06 Apr 2026 00:00:00 GMTollamallmaigpudebuggingFixDevs