pola-rs/polars
Documented errors, page 8 of 8. Back to pola-rs/polars
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| file must be opened in binary mode | exception | error | python, polars, file-handle, binary-mode, excel |
| invalid profile name | exception | error | polars, testing, parametric, invalid-value |
| {key} | exception | error | polars, categorical, keyerror, lookup |
| more new column names are specified than there are selected… | validation | error | |
| no matching sheet found when `sheet_name` is | validation | error | python, polars, excel, sheet-name |
| Series only supports 'vertical' concat strategy | validation | error | polars, series, concat, unsupported-strategy |
| the remote engine can only sink to a URI or a… | exception | error | polars, polars-cloud, type-mismatch, sink |
| unrecognised deprecation type | exception | error | python, polars, developer-tooling, validation |
| Cannot locate | exception | error | python, debugging, vscode, file-not-found |
| dimensions of `schema | exception | error | polars, schema, numpy, shape-mismatch |
| cannot get buffer length for buffer with dtype | exception | error | |
| cannot specify both `columns` and `read_options["columns"]` | validation | error | python, polars, parameter-collision, excel |
| Comparison of FixedSizeListArray is not supported without… | panic | error | |
| invalid type for `on_columns` argument | validation | error | python, polars, pivot, type-error, argument-type |
| left join column not found | validation | error | python, polars, join, schema, column-not-found |
| PyString is not valid UTF-8 | panic | error | |
| `sink_ipc` is not supported by | exception | error | python, polars, ipc, sink, not-implemented |
| at least one of ('key', 'max_rows_per_file'… | validation | error | polars, partitioning, validation |
| cannot call `plot.line` when Series name is 'index' | exception | error | polars, plotting, altair, value-error, reserved-name |
| failed to flush the schema file | panic | error | io, file-write, flush, panic |
| must specify `on` OR `left_on` and `right_on` | validation | error | polars, python, join, missing-argument |
| `n_chunks` must be a multiple of the number of chunks of… | exception | error | |
| the `columns` argument should contain a list of all… | exception | error | python, polars, io, type-error |
| deltalake is not installed Please run: pip install… | exception | error | python, polars, delta-lake, optional-dependency, install |
| expected list or dict of objects | exception | error | python, polars, json, value-error |
| only a single SQL query string is accepted for adbc, got a | validation | error | polars, adbc, sql, argument-validation |
| cross join should not pass join keys | validation | error | polars, python, join, conflicting-arguments |
| expected object supporting the PyCapsule Interface, got | exception | error | python, polars, pycapsule, arrow, type-error |
| invalid Config string (did you mean to use… | exception | error | polars, config, json |
| merge_sorted is not supported for | validation | error | polars, merge-sorted, type-error |
| The table has set these reader features | exception | error | python, polars, delta-lake, protocol, feature-support |
| invalid input for `aggregate_function` argument | validation | error | python, polars, pivot, invalid-argument |
| invalid interval unit for time_range: found | validation | error | python, polars, interval, value-error |
| invalid value for POLARS_MAX_OPEN_SINKS | panic | error | environment-variable, panic, configuration, sink |
| ordering for Object dtype is not supported | panic | error | polars, rust, sorting, object-dtype |
| `sink_ndjson` is not supported by | exception | error | python, polars, ndjson, sink, not-implemented |
| The crate was compiled without IPC compression. Use… | panic | critical | arrow, ipc, lz4, cargo-feature, panic |
| unsupported table format | exception | error | python, polars, value-error, parsing |
| use of `aggregate_function='count'` should be replaced with… | validation | error | python, polars, pivot, deprecated, api-change |
| Array constructor is missing the required argument `shape` | exception | error | polars, array, shape, type-error |
| expected type 'int | str', got | validation | error | polars, type-error, struct, python |
| `maxsize` cannot be negative; found | validation | error | python, cache, validation, invalid-argument |
| no matching sheets found when `sheet_ | validation | error | excel, polars, sheet-not-found, name-mismatch |
| the argument for has been removed in version . | exception | error | python, polars, removed-parameter, migration, kwargs |
| failed to write the last newline | panic | error | io, file-write, panic |
| activate feature dtype-date | panic | error | polars, rust, cargo-features, feature-gate, date |
| arr.to_struct() got a str instead of a list. hint: pass | exception | error | python, polars, type-error, arrays, struct |
| invalid dtype for `ones`; found | exception | error | python, polars, dtype, type-error |
| cannot describe a LazyFrame that has no columns | exception | error | python, polars, lazyframe, empty-schema |
| cannot use positive_offset() on a negative slice | panic | error | rust, panic, invalid-state, slices |
| `fastexcel` >= 0.10 is required to read bytes; found | exception | error | python, polars, fastexcel, version, bytes |
| `separator` must be a single character; found | exception | error | polars, config, formatting |
| activate 'binary_encoding' feature | panic | error | feature-flag, compile-time, strings, hex |
| invalid Config file (did you mean to use `load`?)\n | exception | error | polars, config, file |
| invalid input for `col` Expected iterable of type `str` or… | validation | error | polars, type-error, iterable, python |
| invalid key type ; expected str or int | exception | error | polars, categorical, type-error, invalid-key |
| Series name must be a string | exception | error | polars, series, constructor, type-error |
| cannot concat empty list | validation | error | polars, concat, empty-input |
| dataframe contains unsupported data types | validation | error | python, polars, delta-lake, dtype, unsupported-dtype |
| expected 'time' to be a Python time or Polars expression… | exception | error | python, polars, type-error, datetime |
| `how` must be one of | validation | error | python, polars, join, invalid-argument |
| invalid value for POLARS_OVERRIDE_TOTAL_MEMORY | panic | error | rust, environment-variable, config, memory |
| {source} | exception | error | |
| activate feature dtype-datetime | panic | error | polars, rust, cargo-features, feature-gate, datetime |
| cannot convert List column | validation | error | python, polars, numpy, dtype |
| dtypes must be fully-specified, got | validation | error | python, polars, schema, dtype |
| Enum categories must be strings; found data of type | exception | error | polars, enum, dtype, type-error |
| Required package 'torch' not installed. Please install it… | exception | error | python, polars, optional-dependency, torch |
| iceberg: unknown value for reader_override | validation | error | iceberg, invalid-argument, enum, python |
| missing join columns for right frame | validation | error | python, polars, join, missing-argument |
| 'prefix' must be a string; found | exception | error | python, polars, type-error, categorical, strings |