ErrLookup › pathwaycom/pathway
pathwaycom/pathway
Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG. · Python · 716 source files
Analyzed at fa2f74a464 on 2026-08-15. 398 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Two different columns share the output name | validation | error | pathway, kafka, column-names, collision, validation |
| Column(s) collide with the 'time' and 'diff' metadata… | exception | error | pathway, sqlite, schema, naming-conflict |
| Table expected here. | exception | error | ix, context, pathway |
| Incompatible types in for a binary operator. The types are | exception | error | pathway, dtype, pointer, binary-operator, type-mismatch |
| Type has to be either TimeEventType or IntervalType. | validation | error | pathway, temporal, type-check, argument-validation |
| Column(s) use a name reserved by Weaviate ('id' and… | exception | error | pathway, weaviate, vector-store, naming-conflict |
| primary_key can only be specified for the snapshot table… | exception | error | pathway, sqlite, output-connector, configuration |
| argument has incorrect schema | exception | error | pathway, schema, type-checking, argument-validation |
| primary_key column ' ' is declared nullable; primary_key… | exception | error | pathway, postgres, primary-key, nullable, snapshot |
| Arguments ( ) have to be of types but are of types . | validation | error | pathway, temporal, dtype-mismatch, argument-validation |
| result of async function does not match output schema | validation | error | pathway, async, async-transformer, schema-mismatch |
| Cannot convert Json to | exception | error | json, type-conversion, runtime, pathway |
| SchemaRegistrySettings.urls | validation | error | kafka, schema-registry, validation, configuration |
| iterated table not marked as 'iterate_universe' changed its… | exception | error | pathway, iteration, universe, table-transformer |
| Duplicate expression value given for | exception | error | pathway, column-selection, duplicate-key, api-misuse |
| primary_key column is declared nullable ( ); primary-key… | exception | error | pathway, sqlite, primary-key, nullable, data-integrity |
| Unable to process negative update with this stateful… | exception | error | pathway, custom-reducers, streaming, retractions |
| Some columns have types incompatible with expected types | exception | error | pathway, type-check, indexing, dtype |
| Table.groupby() received extra kwargs. You probably want to… | validation | error | groupby, reduce, api-misuse, pandas |
| 'raw' endpoint input format requires 'value' column in… | validation | error | http, rest-connector, schema, pathway |
| must not be empty | validation | error | mssql, validation, identifier, sql-server, pathway |
| statistical.diff(): Invalid column reference for the… | exception | error | pathway, statistical, diff, column-reference, api-misuse |
| 'json_field_paths' references field | exception | error | pathway, connector, json, schema, validation |
| . Consider installing 'pathway[ ] | exception | error | pathway, dependencies, installation, import-error |
| SchemaRegistrySettings. | validation | error | kafka, schema-registry, type-error, configuration |
| duplicated entries for key | validation | error | data-ingestion, update-stream, primary-key, testing |
| Incompatible types in a join condition. The types are | exception | error | pathway, join, types, type-mismatch, api-misuse |
| Pathway does not support using binary operator | exception | error | pathway, binary-operator, dtype, type-mismatch, expression |
| Pathway schema column(s) | exception | error | pathway, postgres, deprecated, column-collision, snapshot |
| Embedder is not a valid `pw.UDF`. | exception | error | pathway, knn, embedder, udf, type-error |
| metadata column has unsupported type ; Pinecone metadata… | validation | error | pinecone, metadata, dtype, vector-db, pathway |
| Received `how` argument but was not expecting any. Consider… | validation | error | join, api-misuse, kwargs |
| The sort_by column doesn't belong to the table passed to… | validation | error | kafka, pathway, sort, column-reference, validation |
| Unsupported argument for | validation | error | pathway, kafka, message-queue, format, validation |
| Column can only contain 1 and -1. | validation | error | pandas, testing, data-ingestion, validation |
| Pathway does not support using unary operator | exception | error | pathway, type-checking, unary-operator, dtype, typeerror |
| Trying to modify a row in | exception | error | pathway, python-connector, upsert, runtime, api-misuse |
| Either `dimensions` or `embedder` must be provided to index… | exception | error | pathway, knn, configuration, embeddings |
| Pathway schema column(s) | validation | error | mysql, reserved-columns, stream-mode, sink, pathway |
| Pathway doesn't support converting | exception | error | pathway, dtype, conversion, unwrap, expression |
| pw.Schema has column names that differ only in case | validation | error | mssql, sql-server, case-insensitive, schema, sink, pathway |
| Left part of a join condition has to be a reference to a… | exception | error | pathway, join, condition, api-misuse |
| SchemaRegistrySettings.headers | validation | error | kafka, schema-registry, type-error, headers |
| primary_key contains duplicate column(s) | exception | error | pathway, sqlite, primary-key, validation |
| Usage of not supported here. | exception | error | pathway, this, join, substitution, typeerror |
| path is an existing directory, not a SQLite database file… | exception | error | pathway, sqlite, filesystem, path, configuration |
| Value is not of type . | exception | error | pathway, dtype, data-quality, schema-mismatch, runtime |
| Correlated subqueries not supported. | exception | error | sql, subquery, pathway |
| 'value' must be specified if 'key' is not None | validation | error | pathway, kafka, raw, key-value, validation |
| output schema validation error, received | exception | error | pathway, row-transformer, schema-mismatch, validation |
| pw.Schema has column names that differ only in case | exception | error | pathway, sqlite, schema, case-sensitivity |
| SchemaRegistrySettings: 'token_authorization' is mutually… | validation | error | kafka, schema-registry, authentication, configuration |
| Const value provided. | exception | error | ix, api-misuse, pathway |
| creating a reference to a class_arg table defined for… | exception | error | pathway, row-transformer, class-arg, api-misuse |
| Milvus collection does not exist; create it before writing… | validation | error | milvus, pathway, collection, schema, setup |
| primary_key column does not belong to the provided table… | exception | error | pathway, weaviate, vector-store, column-reference |
| Pathway does not support using reducer | exception | error | pathway, reducer, dtype, aggregation, type-mismatch |
| primary_key column has unsupported type ; a Pinecone record… | validation | error | pinecone, primary-key, dtype, vector-db, pathway |
| output: of the iterated function does not correspond to the… | exception | error | pathway, iteration, schema-mismatch, table-transformer |
| HybridIndex requires at least two indices to be provided… | exception | error | pathway, hybrid-index, rag, validation |
| primary_key contains duplicate column(s) | exception | error | pathway, postgres, primary-key, validation |
| resulting universe does not match the universe of the… | validation | error | pathway, pandas, udf, universe, index-mismatch |
| column out of scope | exception | error | pathway, internals, graph-runner, scope, internal-error |
| Cannot plot diff table in a static mode | exception | warning | pathway, visualization, not-implemented, static-export |
| Incompatible types in for a coalesce expression.\nThe types… | exception | error | pathway, type-checking, coalesce, dtype, typeerror |
| The table has columns | validation | error | pathway, kafka, json, reserved-names, validation |
| The topic name column must have a string type, however | validation | error | pathway, kafka, dtype, topic-routing, validation |
| Not supported `type` in knn_lsh_classifier_train. The… | exception | error | pathway, ml, classifier, lsh, invalid-argument |
| sort_by cannot be used with the snapshot table type: a… | validation | error | duckdb, connector, data-loss, ordering |
| You can't use a column of type | validation | error | pathway, async, async-transformer, hashability, json |
| has to be a Table instead of | exception | error | pathway, table-transformer, iteration, type-error |
| Unexpected number of columns | exception | error | pathway, gcp, pubsub, runtime, schema |
| Unsupported conversion from pw.Json to | validation | error | pathway, json, type-conversion, schema |
| Cannot enable interactive mode | exception | error | pathway, interactive-mode, notebook, api-misuse |
| Invalid JSON Pointer for field | exception | error | pathway, connector, json-pointer, rfc6901, validation |
| 'subject' must be a non-empty string; got an empty string… | validation | error | pathway, kafka, schema-registry, configuration, validation |
| The key column must have one of the following types | validation | error | pathway, kafka, dtype, key, validation |
| path storage out of scope | exception | error | pathway, internals, graph-runner, scope, internal-error |
| ` ` has no attribute | exception | error | pathway, row-transformer, attribute-error, schema, api-misuse |
| Table.restrict(): other universe has to be a subset of self… | exception | error | universe, restrict, pathway |
| If fmt is not a string, you need to specify whether objects… | exception | error | pathway, datetime, strptime, timezone, validation |
| Column of type has no attribute . | exception | error | pathway, attribute-access, dtype, namespace, expression |
| The field ' ' in the schema of the source ' ' has… | exception | error | pathway, datasource, schema, source-component |
| transformer has no attribute | exception | error | pathway, table-transformer, attribute-error, api-misuse |
| You cannot use in this context. Its universe is different… | exception | error | pathway, groupby, universe, reduce, api-misuse |
| exactly one of the parameters `schema` or… | validation | error | pathway, unpack, argument-validation |
| not supported. | exception | error | sql, pathway, not-implemented |
| wrong schema of debug data | exception | error | pathway, debug, schema-mismatch, test-fixture, datasource |
| direction argument of join should be of type… | validation | error | pathway, join, asof-join, argument-validation, type-error |
| Trying to delete a row in | exception | error | pathway, python-connector, deletions, runtime, api-misuse |
| Incompatible types for | exception | error | pathway, typing, binary-op, join |
| not all arguments marked as iterated returned from iteration | exception | error | pathway, iteration, table-transformer, universe |
| definitions of columns | exception | error | pathway, schema, type-annotation, column-definition |
| invalid expression in restricted context | exception | error | pathway, restricted-context, column-reference, scope, join |
| datasource not supported | exception | error | pathway, datasource, custom-connector, internals, version-mismatch |
| Unknown source component | exception | error | schema, configuration, pathway |
| Pathway supports reindexing Tables with Pointer type only… | exception | error | pathway, typing, reindex, pointer |
| Unsupported type , use pw.DATE_TIME_UTC or… | exception | error | pathway, dtype, datetime, schema, type-system |
| Column is present on the argument list of the invoke method… | validation | error | pathway, async, async-transformer, schema-mismatch, argument-validation |
| pw.io.mssql.read requires at least one primary key column… | validation | error | mssql, primary-key, schema, cdc, pathway |