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Yandex DataLens
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  1. Troubleshooting
  2. DataLens errors

All errors

Written by
Yandex Cloud
Improved by
Kirill A.
Updated at March 31, 2025

The page contains error codes and descriptions.
To view detailed error information, follow the link by clicking the error code:

Error code Description
ERR.CHARTS.RUNTIME_TIMEOUT Response processing timeout
ERR.CHARTS.REQUEST_SIZE_LIMIT_EXCEEDED Request size limit exceeded
ERR.CK.TOO_MANY_LINES Too many series on the chart
ERR.DS_API Internal server error
ERR.DS_API.CONNECTION_CONFIG.SUBSELECT_NOT_ALLOWED Subquery source is disallowed in the connection settings
ERR.DS_API.DATABASE_UNAVAILABLE Data source is unavailable
ERR.DS_API.DB Error executing a query in the data source
ERR.DS_API.DB.AUTHENTICATION_FAILED Database authentication failed
ERR.DS_API.DB.CANNOT_PARSE Cannot parse
ERR.DS_API.DB.CANNOT_PARSE.DATETIME Cannot parse datetime
ERR.DS_API.DB.CANNOT_PARSE.NUMBER Cannot parse number
ERR.DS_API.DB.CHYT.AUTH_FAILED Authentication failed
ERR.DS_API.DB.CHYT.CLIQUE.INVALID_GUID Failed to parse clique name
ERR.DS_API.DB.CHYT.CLIQUE.INVALID_SPECIFICATION Invalid clique specification. Probably, clique does not exists
ERR.DS_API.DB.CHYT.INVALID_SORTED_JOIN.MORE_THAN_ONE_TABLE Cannot join a concatenation of tables with another table
ERR.DS_API.DB.CHYT.INVALID_SORTED_JOIN.NOT_A_KEY_COLUMN Column used in join expression is not a key column
ERR.DS_API.DB.CHYT.INVALID_SORTED_JOIN.NOT_KEY_PREFIX_COLUMN Joined columns should form prefix of joined table key columns
ERR.DS_API.DB.CHYT.SUBQ_WEIGHT_LIMIT_EXCEEDED Subquery exceeds data weight limit
ERR.DS_API.DB.CHYT.TABLE_ACCESS_DENIED Access to table was denied
ERR.DS_API.DB.CHYT.TABLE_HAS_NO_SCHEMA YT table has no schema. Only schematized tables are supported
ERR.DS_API.DB.COLUMN_DOES_NOT_EXIST Requested database column does not exist
ERR.DS_API.DB.DB_OPERATIONAL_ERROR Database-side error
ERR.DS_API.DB.INVALID_FUNCTION.PG_DOUBLE_PRECISION_ROUND ROUND with precision parameter is not supported for double precision data type in PostgreSQL
ERR.DS_API.DB.JOIN_COLUMN_TYPE_MISMATCH Columns in JOIN have different types
ERR.DS_API.DB.MEMORY_LIMIT_EXCEEDED Memory limit has been exceeded during query execution
ERR.DS_API.DB.SOURCE_CONNECT_ERROR Data source refused connection
ERR.DS_API.DB.SOURCE_DOES_NOT_EXIST Data source (table) does not exist
ERR.DS_API.DB.SOURCE_ERROR.TIMEOUT Data source timed out
ERR.DS_API.DB.ZERO_DIVISION Division by zero
ERR.DS_API.FIELD.NOT_FOUND Unknown field
ERR.DS_API.FIELD.TITLE.CONFLICT Field title conflicts with another field
ERR.DS_API.FILTER.MEASURE_UNSUPPORTED Measure filter is unsupported for this type of query
ERR.DS_API.FORMULA.PARSE.UNEXPECTED_TOKEN Formula syntax error
ERR.DS_API.FORMULA.UNKNOWN_FIELD_IN_FORMULA Unknown field found in formula
ERR.DS_API.FORMULA.UNKNOWN_SOURCE_COLUMN Unknown referenced source column
ERR.DS_API.FORMULA.UNKNOWN_WINDOW_DIMENSION Unknown dimension for window
ERR.DS_API.FORMULA.VALIDATION.AGG.INCONSISTENT Inconsistent aggregation among operands
ERR.DS_API.FORMULA.VALIDATION.LOD.INCOMPATIBLE_DIMENSIONS Incompatible dimensions
ERR.DS_API.FORMULA.VALIDATION.LOD.INVALID_TOPLEVEL_DIMENSIONS Invalid top-level LOD dimension found in expression
ERR.DS_API.FORMULA.VALIDATION.WIN_FUNC.BFB_UNSELECTED_DIMENSION Window function has unselected dimension
ERR.DS_API.FORMULA.VALIDATION.WIN_FUNC.NO_AGG Window function has no aggregated expressions among its arguments
ERR.DS_API.INVALID_GROUP_BY_CONFIGURATION Invalid grouping configuration
ERR.DS_API.REFERENCED_ENTRY_ACCESS_DENIED Referenced connection <connection_ID> cannot be loaded: access denied
ERR.DS_API.REFERENCED_ENTRY_NOT_FOUND Accessing a nonexistent object
ERR.DS_API.REQUEST_TIMEOUT Backend app request timeout exceeded
ERR.DS_API.ROW_COUNT_LIMIT Received too many result data rows
ERR.DS_API.SOURCE_ACCESS_DENIED.INVALID_TOKEN Invalid user token
ERR.DS_API.SOURCE_CONFIG.TABLE_NOT_CONFIGURED Table is not ready yet
ERR.DS_API.SOURCE.FILE.NO_DATA Empty document
ERR.DS_API.US.ACCESS_DENIED Access denied
ERR.DS_API.TYPE_CAST.FAILED Data type conversion error
ERR.DS_API.US.BAD_REQUEST Object request error
ERR.FILE.CANNOT_UPDATE_DATA Cannot update data
ERR.FILE.INVALID_LINK.YADOCS_INVALID_PUBLIC_LINK_PREFIX Incorrect Yandex Documents link format
ERR.FILE.PARSE_FAILED.INVALID_EXCEL Invalid file format
ERR.FILE.UNSUPPORTED_DOCUMENT File check failed
ERR.US.BAD_REQUEST.ALREADY_EXISTS Failed to create <object_type>

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