pola-rs/polars
Documented errors, page 6 of 8. Back to pola-rs/polars
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| invalid input for `copy | exception | error | polars, python, numpy, copy-flag, type-error |
| invalid value for POLARS_NDJSON_CHUNK_PREFETCH_LIMIT | panic | error | rust, env-var, ndjson, config |
| map keys cannot be a nested dtype, got | validation | error | polars, hypothesis, map, dtype, testing |
| sink to Iceberg table with custom location provider | exception | error | python, polars, iceberg, location-provider |
| unimplemented: AnonymousScan | panic | error | |
| activate dtype | panic | critical | rust, pyo3, polars, panic, dtype |
| adding decimals with different precisions/scales is not… | panic | error | rust, polars, decimal, arithmetic |
| cannot create date from other type. dtype | panic | error | polars, panic, date, literal, type-mismatch |
| cannot use Series of dtype | exception | error | polars, python, setitem, indexing, dtype |
| Expected Statistics to be | panic | error | parquet, statistics, type-mismatch, panic |
| Invalid engine argument | exception | error | polars, polars-cloud, remote-engine, invalid-argument-value |
| launch.py is not meant to be executed directly; please use… | exception | error | python, debugging, vscode, misuse |
| the 'adbc' engine does not support use of… | validation | error | python, polars, database, adbc, invalid-argument |
| conversion of polars data type | exception | error | python, polars, ffi, dtype |
| DataTypeExpr.collect_dtype did not expect | exception | error | polars, datatype, invalid-argument |
| 'float' object cannot be interpreted as a | exception | error | polars, datetime, type-mismatch |
| init must be called first | panic | error | |
| range end index out of range for slice of length | panic | error | rust, panic, slicing, bounds-check |
| `sink_parquet` is not supported by | exception | error | python, polars, parquet, sink, not-implemented |
| i64 offsets do not fit in i32 offsets | panic | error | |
| 'length' must be an integer, string, or expression, not | exception | error | python, polars, type-error, arguments |
| no data, cannot infer schema | exception | error | python, polars, empty-input, schema-inference |
| ordering for Map dtype is not supported | panic | error | polars, rust, sorting, map-dtype |
| requires or higher (found ) | exception | error | |
| `sink_batches` is not supported by | exception | error | python, polars, streaming, callback, not-implemented |
| The batch is not available | panic | error | |
| Unexpected parameter type | exception | error | python, polars, typeerror, internal-invariant |
| `unit` must be one of | exception | error | python, polars, units, invalid-argument |
| Arrow datatype not supported by Polars. You probably need… | panic | error | polars, rust, feature-flags, arrow-schema |
| empty data from | exception | error | python, io, empty-data, buffer |
| ` ` received both ` ` and ` ` as arguments; ` ` , use ` `… | exception | error | python, polars, deprecated-api, keyword-arguments |
| `sink_csv` is not supported by | exception | error | python, polars, csv, sink, not-implemented |
| Invalid Offset format (must be [-]00:00) or timezones… | panic | error | timezone, json, feature-flag, serialization |
| map keys cannot be Null; specify a key type, e.g… | validation | error | polars, hypothesis, map, null, testing |
| {:?} | panic | error | |
| LazyFrame `how` must be one of | validation | error | polars, lazyframe, concat, invalid-enum-value |
| cannot use `plot.kde` when Series name is `'density'` | exception | error | polars, plotting, altair, value-error, reserved-name |
| category index out of range | exception | error | polars, categorical, indexerror, bounds |
| index positions should be smaller than 2^32 | exception | error | polars, indexing, valueerror, range |
| invalid alignment | exception | error | python, polars, config, invalid-enum-value |
| invalid value for POLARS_IGNORE_FILE_CACHE_ALLOCATE_ERROR | panic | error | env-var, cache, configuration, panic |
| not found in cache | exception | warning | python, cache, keyerror, lru |
| no workbook found at path | exception | error | excel, polars, file-not-found, glob |
| activate feature 'dtype-struct' | panic | error | |
| cannot create a second | exception | error | polars, excel, duplicate-column |
| dtype ' ' is a BaseExtension class, it should be an instance | validation | error | python, polars, dtype, type-error |
| invalid value for POLARS_IDEAL_SINK_MORSEL_SIZE_ROWS | panic | error | environment-variable, panic, configuration, morsel |
| unable to identify string connection as valid ODBC (no… | validation | error | polars, database, odbc, connection-string |
| unknown command | panic | error | cli, panic, invalid-command |
| cannot : no storage_location found | exception | error | unity-catalog, table-metadata |
| cannot return a frame before executing a query | exception | error | database, lifecycle, runtime-error, polars |
| date not implemented for | panic | error | polars, rust, panic, time, dtype |
| `indices` is not a sequence | exception | error | |
| into_decimal( , ) not implemented for | panic | error | polars, rust, panic, decimal, dtype |
| source must implement the Arrow PyCapsule Interface… | exception | error | python, arrow, type-mismatch, lazyframe |
| unsupported: cannot combine aws_profile with | exception | error | python, aws, credentials, storage-options |
| unsupported: cannot combine token with | exception | error | python, gcp, credentials, storage-options |
| `path` argument has invalid type | exception | error | |
| Unsupported in row encoding | panic | error | rust, polars, row-encoding, unknown-dtype |
| expected at least one Series in 'cov' inputs if 'eager=True' | validation | error | python, polars, dataframe, arguments |
| from_strings_and_dtype_strict called on non-categorical type | panic | error | |
| mapping item must be a datatype or datatype expression… | validation | error | polars, type-error, datatype, python |
| scalar ordering for mixed dtypes | panic | error | polars, rust, dtype-mismatch, comparison |
| cannot use 'on' in conjunction with 'left_on' or 'right_on' | validation | error | polars, python, join, conflicting-arguments |
| `format` must be one of | exception | error | python, polars, value-error, serialization |
| `from_repr` does not support data type | exception | error | python, polars, not-implemented, dtypes |
| invalid value for POLARS_MAX_CONCURRENT_SCANS | panic | error | rust, env-var, concurrency, config |
| multi-dimensional NumPy arrays not supported as index | exception | error | polars, dataframe, numpy, array-shape |
| number of characters must be > 0 | exception | error | polars, config, display |
| it is not allowed to create a CompatLevel object | exception | error | python, polars, compat-level, type-error |
| `strict=False` is no longer supported for… | validation | error | polars, value-error, deprecation, concat |
| the argument for has been removed in version . | exception | error | python, polars, removed-argument, api-migration |
| Pandas dataframe contains non-unique indices and/or column… | validation | error | python, polars, pandas, conversion, uniqueness |
| right join column not found | validation | error | python, polars, join, schema, column-not-found |
| schema_mode='overwrite' is not supported for Iceberg tables… | exception | error | python, polars, iceberg, sort-order |
| cannot convert DataFrame to | validation | error | python, polars, numpy, dtype |
| cannot specify both `infer_schema_length` and… | validation | error | polars, excel, parameter-collision, schema-inference |
| could not parse table width argument | panic | error | polars, rust, environment-variable, formatting |
| expected Series in 'arg_where' if 'eager=True', got | validation | error | python, polars, eager, type-mismatch |
| cannot parse Python data type | exception | error | python, polars, arrow, pyarrow |
| cannot select rows using key of type | exception | error | polars, dataframe, type-error, row-selection |
| expected at least one Series in 'coalesce' if 'eager=True' | validation | error | python, polars, eager, arguments |
| expected PyArrow Table, Array, or one or more… | exception | error | python, polars, pyarrow, type-error |
| Map requires a key and a value type, e.g… | exception | error | polars, map-dtype, invalid-argument |
| negative stop is not supported for lazy slices | exception | error | polars, lazy, slicing |
| Series are equal (but are expected not to be) | exception | error | polars, testing, assertion, series-equality |
| Series constructor called with unsupported type | exception | error | polars, series, constructor, type-error, unsupported-type |
| specifying aggregations as a dictionary is not… | validation | error | python, polars, groupby, api-migration |
| `unit` must be one of | exception | error | |
| empty Excel sheet\n\nIf you want to read this as an empty… | exception | error | |
| expected index type found | panic | error | polars, panic, index, feature-flag |
| `limit` cannot be None. If you want to show the complete… | validation | error | python, polars, lazyframe, argument-validation |
| this tool requires the `dsl-schema` feature | panic | error | feature-flag, cli, build, dsl-schema |
| cannot call `map_groups` when grouping by an expression | exception | error | python, polars, group-by, type-error |
| cannot create DataFrame from array with more than two… | exception | error | polars, dataframe, numpy, shape |
| cannot load requested aws_profile | exception | error | python, aws, boto3, missing-dependency |
| Categorical physical must be one of pl.UInt(8|16|32) | exception | error | polars, categorical, datatypes, validation |
| must have an upper bound | panic | error | |
| slice index starts at | panic | error | rust, panic, slicing, range |
| the 'connectorx' engine does not support use of… | validation | error | polars, connectorx, parameterized-query, unsupported-feature |