ErrLookup › xai-org/x-algorithm

xai-org/x-algorithm

Algorithm powering the For You feed on X · Rust · 1,720 source files

Analyzed at 24c60942c5 on 2026-08-28. 407 documented errors.

Code / MessageTypeSeverityTags
enable_candidate_tower_linear_proj and feature_prep_enabled…
validation error config, two-tower, mutually-exclusive-flags, validation
Failed to create consumer for thread
panic critical kafka, rust, consumer, startup, panic, rdkafka
block-sparse arrays cover
validation critical cuda, cutedsl, varlen-attention, block-sparse, packing
Unknown tag
exception error serialization, version-skew, unsupported-operation, java
Not a canonical UMMA_MN Layout: Expected profile failure.
validation error cuda, cutlass, cute-dsl, umma, layout-validation, smem-descriptor
not a partition batch file path
validation error paths, hive-partition, conversion-labels, validation
Unsupported swizzle triple for UMMA smem descriptor
validation error cuda, cutlass, cute-dsl, umma, smem-descriptor, swizzle, blackwell
type checking expression
validation error cuda, assertion, runtime-error, xla, validation
{misconfiguration}
panic critical rust, configuration, env-var, feature-flag, startup, panic, visibility-filtering
beam_width must be >= 1, got
validation error sid-retrieval, beam-search, config-validation, launch-flags
Failed to create serializer for ThriftStruct
exception error thrift, scrooge, reflection, version-skew, semantic-check, java
type checking expression
validation error cuda, thrust, allocator, out-of-memory, scratch-memory, cub
Expected 2D emb_table, got shape=
validation error shape, embedding, numpy, validation
fetch failed after retries
error_code error rust, strato, retry-exhausted, config-fetch, anyhow
Please override this method for specific attention impl.
exception error attention, not-implemented, subclass-contract, jax
sidecar missing column(s) ; available
validation error parquet, schema, conversion-labels, validation
Thriftscala objects are not supported in strato JSON
exception error strato-json, thriftscala, serialization, java
ASTNode expected to arguments, passed.
validation critical cuda, runtime-error, gpu-memory, driver, cuda-api
Unsupported emb_table dtype
validation error dtype, embedding, numpy, bit-cast
post_sid schema invariant violated in
validation critical parquet, schema-invariant, sid, data-integrity
Parquet file does not contain min_kafka_timestamp_ms footer…
validation error parquet, footer-metadata, time-range, schema-validation
No partitions found for topic
validation critical kafka, topic-not-found, metadata, config
async_emb requires exactly one token shard per communicator…
validation error jax, sharding, data-parallelism, distributed, async-embedding
async_emb requires = before process startup
exception critical env-var, configuration, startup, nccl, async-emb
none of LDS resources decoded as Listener
validation error envoy, xds, protobuf, lds
the compiled async_emb extension at
exception critical cuda, ffi, stale-build, abi-mismatch, native-extension
not a parquet path
validation error paths, file-extension, parquet, conversion-labels
type checking expression
validation error cuda, assertion, runtime-error, embedding, gpu-memory
Container is not an InputContainer
exception warning pyav, video, type-check, version-mismatch, defensive-check
Unknown remat policy
validation error remat, checkpointing, jax, config, not-implemented
fused lazy decay needs timestamped state (step/last_step)
validation error recsys, adagrad, optimizer, embedding, lazy-decay
ASTNode expected arguments, passed.
validation error cuda, cub, out-of-memory, sort, scratch-memory, unique
Block sparse tensors
validation error block-sparsity, shape-validation, flash-attention, cuda
The layout of mdV is wrong
validation error cuda, flash-attention, layout, tcgen05, sm100
StructTuples are not supported in strato JSON
exception error strato-json, structtuple, serialization, java
Not a canonical UMMA_MN Layout: Expected stride failure.
validation error cuda, cutlass, cute-dsl, umma, stride-check, smem-descriptor
was divided into equal parts of length each. But received…
validation error embeddings, vocab-size, shape-validation, multi-hot
Kafka mTLS requires CA at
exception critical kafka, mtls, ssl, certificates, kubernetes, configmap
Post metadata is required
validation error python, data-mapping, validation, strato
Execution devices belong to a client other than `backend`…
validation error jax, backend, device-mismatch, serialization
Request with model version ($modelVersion) and embedding…
exception error simclusters, routing, config-validation, scala
Thriftjava objects are not supported in strato JSON
exception error strato-json, thrift, thriftjava, serialization, java
(ScoreType, Entity) ($scoreType, ) not supported
validation error scala, simclusters, pattern-match, invalid-argument, scalding
Pairs are not supported in strato JSON
exception error strato-json, serialization, pairs, java
async_emb requires token shards to vary across the…
validation error jax, sharding, mesh-axes, distributed, async-embedding
block-sparse arrays cover
validation critical cuda, cutedsl, flash-attention, block-sparse, shape-mismatch
Unknown dataset name
validation error config-validation, enum, retrieval, checkpoint
Error processing file
validation error wrapper-exception, parquet, io, diagnostics
ScramKafkaProducer requires an ssl config
validation error kafka, scram, ssl, configuration
Cannot remap XLA compile options device assignment…
validation error jax, xla, aot, device-topology, cache
Unknown strategy
validation error feature-engineering, bucketing, enum-validation, recsys
batch missing newEventMask; conversion-label folding is…
validation error schema, candidate-mask, conversion-labels
fixed_total_len= is smaller than packed length
validation error pallas, jax, tpu, varlen, bucketing, static-shapes
async_emb axis is not a mesh axis of
validation error jax, sharding, mesh-axes, distributed, async-embedding
Sort expects a collection of
validation error botmaker, semantic-check, type-mismatch, sort, comparable
feature_prep_enabled (candidate project-then-sum) and…
validation error two-tower, candidate-tower, mutually-exclusive, config-constraint
Mask dimensionality must match logits dimensionality for / .
validation error attention, mask-shape, broadcasting, jax
no compiled async_emb binding: xrex.cuda.async_emb.src has…
exception critical cuda, import-error, native-extension, build-required, async-embedding
async_emb tokens_per_batch=
validation error jax, sharding, batch-size, distributed, async-embedding
Index file not found
validation error file-not-found, index-file, dataset
Block sparse tensors
validation error block-sparsity, config-validation, block-size
Unknown loss_type
validation error loss, regression, enum-validation, config
_block_cnt and _block_idx must be on the same device
validation error pytorch, device-mismatch, block-sparsity, validation
Unsupported tcgen05 MMA op kind
exception error cuda, cutedsl, tcgen05, mma, unsupported-operation
Not implemented: to_thrift for KeywordMatch
panic error rust, thrift, serialization, codec, visibility-filtering, not-implemented
metric_mask_keys entries
validation error metrics, mask-validation, config, recsys
Not a canonical UMMA_K Layout: Expected stride failure.
validation error cuda, cutlass, cute-dsl, umma, stride-check, smem-descriptor
unknown scaling role
validation error feature-prep, scaling, role-validation, internal-api
use_async_emb requires an embedding optimizer implementing…
validation critical async-embedding, optimizer, recsys, not-implemented, jax
valid_block_upper and valid_block_lower must be provided…
validation error cuda, cutedsl, varlen-attention, argument-validation
WilyNS returned no entries for
exception error service-discovery, wilyns, no-instances, routing
ScheduledEvent intervalMillis must be a postivie value.
validation error botmaker, scala, scheduled-events, config-validation
not StructArray
validation error rust, arrow, downcast, struct-array, type-mismatch
Unsupported type to fingerprint.
exception error serialization, fingerprinting, unsupported-type
Client registration failed
exception critical grpc, kafka-dispatcher, registration, distributed
No partitions found for topic
validation critical kafka, topic-not-found, metadata, multi-consumer
NCCL failed
exception critical async-emb, cpp, nccl, distributed-training, collective-op
No healthy Kafka region available for topic
exception critical kafka, circuit-breaker, outage, producer, availability
Only int32 is supported for unique.
validation error cuda, jax, unique, dtype-validation
Not a canonical UMMA_K Layout: Expected profile failure.
validation error cuda, cutlass, cute-dsl, umma, layout-validation, smem-descriptor
cap_method must be in [tanh, soft_sign, none], got
validation error jax, pallas, attention, logit-capping
Unsupported CUTLASS scalar type for A/B
validation error cutlass, tcgen05, mma, dtype, sm100
Compilation does not support serialization
validation error jax, aot, serialization, version-compat
No offset found for at timestamp
validation error kafka, offsets, timestamp, seek
eval_bs_per_device= > train bs_per_device= ; eval B must…
validation error batch-size, eval, config-validation, jax
XAI_ASYNC_EMB_TIMEOUT_SECONDS must be a positive integer
exception error env-var, validation, timeout, async-emb
Invalid or in CheckStateResponse
validation error grpc, kafka-dispatcher, version-skew, service-state
Job config specified EntityType.SemanticCore, but…
validation error scala, simclusters, data-validation, entity-type, scalding
Regex maximumCacheItems must be greater than 0
validation error botmaker, scala, config-validation, regex-cache
with shape cannot be expanded to expected shape .
validation error pytorch, block-sparse, shape-mismatch, broadcasting
batch size must be a positive integer
validation error botmaker, runtime, batch-size, validation, function-failure
expects : pairs, but a received
validation error botmaker, semantic-check, struct-tuple, pair-argument, copy
Invalid backward pass implementation
validation error pallas, jax, tpu, attention, backward-pass, api-misuse
async_emb arena size overflow
exception critical async-emb, cpp, integer-overflow, memory-layout, cuda
{ENV_CACHE_WARM_SAMPLE_PCT}: {error}
panic error rust, env-var, configuration, startup, panic, visibility-filtering
: delay rows != batch rows
validation error row-count-mismatch, conversion-labels, data-integrity
not an action delay column
validation error python, data-pipeline, column-naming, validation, feature-engineering
Strato error code
error_code warning strato, per-item-error, visibility-filtering, partial-failure, rust
Contains expects input of String, Map, Set or Collection…
validation error botmaker, semantic-check, type-mismatch, contains
Failed to create native MH client for served history
error_code critical manhattan, kv-store, client-init, rust, backend-unavailable