| "How do I set up / install the cookbook?" | references/setup.md |
| "I want to run something out of the box" | references/examples.md |
| "I want to fork a recipe and edit the Config" | references/recipes.md |
"Distillation" / "OPD" / "SDFT" / distillation_loop.py / topk_forward_kl / teacher_messages | references/distillation.md |
"Migrate off InfraConfig / setup_infra / ResourceCleanup" / TypeError: ... unexpected keyword argument 'infra' / ImportError: cannot import name 'setup_infra' | references/migrate.md |
| "How do I set the training / deployment shape?" | references/shapes.md |
RuntimeError: Failed to resolve latest validated training shape | references/shapes.md — don't pin a version; retry or reach out |
| "Can I run two deployments off one trainer (sampler + eval)?" | references/rl/hotload.md |
| "How does RL dispatch server-side vs client-side loss? What's the cost?" | references/rl/loss-paths.md |
"How does gradient accumulation work at optim_step? What normalization does RL use?" | references/rl/gradient-accumulation.md |
| "Why are some RL samples being filtered?" | references/rl/dynamic-filter.md |
| "Custom loss for RL" | references/rl/custom-loss.md |
"RL hotload / weight sync cadence, on-policy vs off-policy, weight_sync_timeout" | references/rl/hotload.md |
| "Concurrency control for RL rollouts — adaptive vs fixed?" | references/rl/concurrency.md |
DeploymentSamplerTimeoutError / repeated sampler HTTP 408 or 504 / ReadTimeout during rollout sampling | references/rl/sampling-timeouts.md |
"Async RL — overlap rollout with training, off-policy budget, PPO inner minibatches, rollout_fn(sample_prompt)" | references/rl/async-rl.md |
| "Black-box coding-agent RL" / "train claude-code or another agent harness" / "ProRL SWE-Gym parity" | references/rl/async-rl.md |
"Why is perf/wait_time_ratio high?" / perf/sampler_wait_for_trainer_time / perf/trainer_wait_for_sampler_time | references/rl/async-rl.md |
"How do I size max_head_offpolicy_versions and max_concurrency_rollout_sample?" | references/rl/async-rl.md |
| "How do I promote a checkpoint?" | references/tools.md |
| "Which checkpoints does the server know about / are promotable?" | references/tools.md — FireworksClient.list_checkpoints(job_id) |
| "How do I reconnect a training client to a running trainer?" | references/tools.md |
"Hotload keeps failing — is this a PER_TRAINER / PER_DEPLOYMENT scope mix-up?" | references/rl/hotload.md — self-check and reach out to Fireworks support |
| "How do I verify train vs inference logprobs?" | references/tools.md |
| "I'm adding a new renderer — what's the contract?" | ../renderer/SKILL.md |
| "I changed a renderer — how do I verify it matches HF / the live gateway?" | ../verifier/SKILL.md |
| "Why is my model emitting trailing tokens / hard-appends?" / token stream looks wrong | ../verifier/SKILL.md |
"Where does checkpoint state live?" / CheckpointKind / checkpoints.jsonl | references/checkpoints.md |
"Continue LoRA training from a prior adapter" / warm_start_from_adapter | references/checkpoints.md |
Error: checkpoint "<name>" not found in GCS | references/checkpoints.md — validate output_model_id first; reach out to Fireworks support if still failing |
Error: Hotload failed for snapshot ... / Hotload did not complete within ... / sampler deployment failed to load latest trainer weights | references/rl/hotload.md — compare expected vs current snapshot; reattach or recreate the deployment when the attachment is stale |
Error: hotload flow mismatch: trainer wants deployment-first ... but deployment ... is trainer-first | references/rl/hotload.md — the server still emits the old "trainer-first / deployment-first" wording; it maps to PER_TRAINER / PER_DEPLOYMENT bucket scope. Scopes crossed at CreateRlorTrainerJob; pick one scope. |
Error: hotload flow mismatch: trainer T is deployment-first-keyed for deployment D | references/rl/hotload.md — trainer is keyed to a different deployment's bucket (PER_DEPLOYMENT); use a PER_TRAINER-scope trainer |
Error: hot_load_bucket_url %q conflicts with hot_load_trainer_job %s; set exactly one | references/rl/hotload.md — create-time: drop whichever field is wrong |
Error: hot_load_bucket_url %q conflicts with hot_load_trainer_job %s; update hot_load_trainer_job instead, or clear it first | references/rl/hotload.md — update-time: clear bucket URL first, then PATCH trainer job |
Error: invalid FW_HOSTED hot_load_bucket_url / must use gs:// scheme / path must start with rl-checkpoints/ | references/rl/hotload.md — structural validation on FW_HOSTED URL at create/update |
Error: configured FW_HOSTED hot_load bucket is not reachable / control plane lacks permission | references/rl/hotload.md — account's ModelBucket misprovisioned; reach out to Fireworks support |
Error: cannot cancel job in state: JOB_STATE_DELETED | references/rl/hotload.md — trainer is tombstoned during the retention window; no action needed |
list_checkpoints / promote_checkpoint returns NOT_FOUND > 30 days after delete | references/rl/hotload.md — past retention, expected |
HTTP 400 on output_model_id | references/tools.md — validate before calling |
"Is this a PER_TRAINER or PER_DEPLOYMENT bucket scope?" | references/rl/hotload.md |
Manual accelerator_type / node_count set on Config | references/shapes.md — drop them, the profile owns infra |