ErrLookup › mikefarah/yq

mikefarah/yq

yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor · Go · 156 source files

Analyzed at 8b5af0694b on 2026-09-05. 153 documented errors.

Code / Message	Type	Severity	Tags
yaml node has no content	exception	error	yaml, decoder, empty-input
bad path expression, got close collect brackets without matc	exception	error	expression, parser, brackets
bad expression, got close brackets without matching opening	exception	error	expression, parser, brackets
must provide a date time format string and an expression, e.	validation	error	datetime, expression, usage
no support for output format	exception	error	encoder, output-format, build-tags
no support for input format	exception	error	go, yq, decoder, build-tags
aborted	exception	error	go, yq, expression, control-flow
unrecognised type :( %v	exception	error	go, yq, json, deserialization
orderedMap: invalid yaml node	exception	error	go, yq, yaml, deserialization
unknown operator %v	exception	error	go, yq, expression, operator
hcl parse error: %w	exception	error
no hcl file parsed	exception	error
failed to read INI content: %w	exception	error
failed to parse INI content: %w	exception	error
only keyvalue pairs are supported in inlinetables, got %v in	exception	error
unsupported type %v	exception	error
pkg: %v	panic	error
invalid XML: Encountered chardata [%v] outside of XML node	exception	error
cannot encode %v as base64, can only operate on strings	exception	error
csv encoding only works for arrays of scalars (string/number	exception	error
csv object encoding only works for arrays of flat objects (s	exception	error	csv, encoding, objects, yq
csv object encoding only works for arrays of flat objects (s	exception	error	csv, encoding, objects, mixed-types, yq
csv encoding only works for arrays, got: %v	exception	error	csv, encoding, root-node, yq
failed to encode HCL: %w	exception	error	hcl, encoding, wrapped-error, yq
unsupported character %q in raw HCL expression	exception	error	hcl, encoding, raw-expression, unsupported-character, yq
HCL encoder expects a mapping at the root level, got %v	exception	error	hcl, encoding, root-node, mapping-required, yq
expected mapping node for block body	exception	error	hcl, encoding, blocks, mapping-required, yq
HCL encoder does not support aliases	exception	error	hcl, encoding, aliases, yaml-anchors, yq
unsupported node kind: %v	exception	error	hcl, encoding, unsupported-kind, yq
INI encoder supports only MappingNode at the root level, got	exception	error	ini, encoder, yaml, node-kind
lua encoder NYI -- %s	exception	error	lua, encoder, tag, not-implemented
--lua-global requires a top level MappingNode	validation	error	lua, encoder, globals, mapping
unsupported node %v	exception	error	properties, encoder, node-kind
cannot encode %v as URI, can only operate on strings. Please	exception	error	shell, encoder, string, type-mismatch
unsupported node %v	exception	error	shell, shellvariables, encoder, node-kind
TOML encoder expects a mapping at the root level	exception	error	toml, encoder, mapping, node-kind
cannot encode TOML entry with empty path	exception	error	toml, encoder, path, empty-key
unsupported node kind for TOML: %v	exception	error	toml, encoder, node-kind, alias
aliases are not supported in TOML	validation	error	toml, encoder, yaml-aliases, unsupported-node-kind
unsupported array item kind: %v	validation	error	toml, encoder, unsupported-node-kind
unsupported inline table value kind: %v	validation	error	toml, encoder, yaml-aliases, inline-table
cannot encode %v as URI, can only operate on strings. Please	validation	error	uri, encoder, type-mismatch, string-conversion
cannot encode %v to XML - only maps can be encoded	validation	error	xml, encoder, unsupported-root-kind, type-mismatch
unsupported type %v	validation	error	xml, encoder, yaml-aliases, unsupported-node-kind
cannot use %v as attribute, only scalars are supported	validation	error	xml, encoder, attributes, type-mismatch
configure YAML encoding: %w	exception	error	yaml, encoding, configuration
'%v' expects 1 arg but received none	validation	error	expression, parser, syntax
'%v' expects 2 args but there is %v	validation	error	expression, parser, syntax
bad expression, please check expression syntax	validation	error	expression, parser, syntax
bad expression, could not find matching `]`	validation	error	expression, bracket, syntax
bad expression, could not find matching `}`	validation	error	expression, bracket, syntax
bad expression, could not find matching `)`	validation	error	expression, bracket, syntax
bad expression - probably missing close bracket on %v	validation	error	expression, bracket, syntax
failed copying from %v to %v: %w	exception	error	filesystem, in-place, symlink
unknown format '%v' please use [%v]	validation	error
%v is not within [%v, %v]	validation	error
%v (%v) cannot be added to a %v (%v)	validation	error
%v cannot be added to %v	validation	error
unable to parse duration [%v]: %w	validation	error
can only use merge anchors with maps (!!map) or sequences (!	validation	error
all only supports arrays, was %v	validation	error
any only supports arrays, was %v	validation	error
CollectObject: mismatching node sizes; are you creating a ma	validation	error	yq, collect-object, map-construction, mismatched-sizes
maps not yet supported for comparison	validation	error	yq, comparison-operator, unsupported-type, map
arrays not yet supported for comparison	validation	error	yq, comparison-operator, unsupported-type, array
%v (%v) cannot be subtracted from %v	validation	error	yq, comparison-operator, type-mismatch, scalar
%v not yet supported for comparison	validation	error	yq, comparison-operator, unsupported-type, scalar-tag
%v not yet supported for contains	validation	error	yq, contains-operator, unsupported-type
%v cannot check contained in %v	validation	error	yq, contains-operator, type-mismatch
could not find %v for format_time	validation	error	yq, datetime, missing-argument
could not load tz [%v]: %w	validation	error
could not parse datetime of [%v] using layout [%v]: %w	validation	error
from_unix only works on numbers, found %v instead	validation	error
cannot delete nodes from parent of tag %v	validation	error
%v (%v) cannot be divided by %v (%v)	validation	error
%v cannot be divided by %v	validation	error
%v has no keys	validation	error
expected to find one 'key' entry but found %v in position %v	validation	error
expected to find one 'value' entry but found %v in position	validation	error	yq, entries, validation
from entries only runs against arrays	validation	error	yq, entries, type-mismatch
env operations have been disabled	console	error	yq, security, environment
value for env variable '%v' not provided in env()	validation	error	yq, environment, missing-variable
cannot substitute with %v, can only substitute strings. Hint	validation	error	yq, environment, type-mismatch
only arrays are supported for flatten	validation	error	yq, flatten, type-mismatch
only arrays are supported for group by	validation	error	yq, group-by, type-mismatch
cannot get keys of %v, keys only works for maps and arrays	validation	error	yq, keys, type-mismatch
could not load %s	console	error	yq, load, build-tags, decoder
file operations have been disabled	console	error
filename expression returned nil	validation	error
failed to load %v: %w	console	error
%v (%v) cannot modulo by %v (%v)	validation	error
cannot modulo by 0	validation	error
%v cannot modulo by %v	validation	error
cannot multiply %v with %v	validation	error	yq, multiplication, type-mismatch, yaml
cannot repeat string by a negative number (%v)	validation	error	yq, string-repetition, negative-number, validation
result of repeating string (%v bytes) by %v would exceed %v	validation	error	yq, string-repetition, memory-limit, resource-limit
%v: expected path array, but got %v instead	validation	error	yq, setpath, delpaths, path-expression, type-mismatch
%v: could not parse %v as an int: %w	validation	error	yq, setpath, delpaths, path-expression, parsing
%v: expected either a !!str or !!int in the path, found %v i	validation	error	yq, setpath, delpaths, path-expression, type-mismatch
SETPATH must be given a block (;), got %v instead	validation	error	yq, setpath, syntax, expression-parsing
SETPATH: expected single path but found %v results instead	validation	error	yq, setpath, path-expression, cardinality
SETPATH: expected single value on RHS but found %v	validation	error	yq, setpath, cardinality, path-expression
DELPATHS: expected single value but found %v	validation	error	yq, delpaths, cardinality, path-expression
DELPATHS: expected a sequence of sequences, but found %v	validation	error	yq, delpaths, type-mismatch, argument-validation
DELPATHS: expected entry [%v] to be a sequence, but its a %v	validation	error	yq, delpaths, type-mismatch, path-arrays
cannot index array with %v	validation	error	yq, pick, array-index, parse-error
cannot pick indices from type %v (%v)	validation	error	yq, pick, type-mismatch, node-kind
sequence contains elements of %v and %v types	validation	error	yq, pivot, heterogeneous-sequence, type-mismatch
cannot pivot node of type %v	validation	error	yq, pivot, type-mismatch, node-kind
can only pivot elements of !!seq or !!map types, received %v	validation	error	yq, pivot, scalar-elements, unsupported-type
reduce must be given a variables assignment, got %v instead	validation	error	yq, reduce, syntax-error, expression-structure
reduce must be given a block, got %v instead	validation	error	yq, reduce, syntax-error, missing-block
node at path [%v] is not an array (it's a %v)	validation	error	yq, reverse, type-mismatch, node-kind
node at path [%v] is not an array (it's a %v)	validation	error
expected to find 1 number, got %v instead	validation	error
node at path [%v] is not an array or map (it's a %v)	validation	error
cannot trim %v, can only operate on strings.	validation	error
cannot change case with %v, can only operate on strings.	validation	error
cannot substitute with %v, can only substitute strings. Hint	validation	error
'i' is not a valid option for match. To ignore case, use an	validation	error
unrecognised match params '%v', please see docs at https://m	validation	error
cannot match with %v, can only match strings. Hint: Most oft	validation	error
cannot join with %v, can only join arrays of scalars	validation	error	yq, join, type-mismatch, arrays
cannot split %v, can only split strings	validation	error	yq, split, type-mismatch, strings
unknown style %v	validation	error	yq, style, invalid-argument, operator
maps not yet supported for subtraction	validation	error	yq, arithmetic, unsupported-operation, maps
%v (%v) cannot be subtracted from %v	validation	error	yq, type-mismatch, subtract-operator, arrays
strings cannot be subtracted	validation	error	yq, strings, subtract-operator, type-mismatch
%v cannot be added to %v	validation	error	yq, type-mismatch, subtract-operator, null
unable to parse duration [%v]: %w	validation	error	yq, datetime, duration, parsing
system operator: argument must be a non-null scalar; got kin	validation	error	yq, system-operator, argument-validation, yaml
system operator: args must be a non-null scalar or sequence	validation	error	yq, system-operator, argument-validation, yaml
system operator: command expression returned no results	validation	error	yq, system-operator, empty-result, expression
system operator: command must be a string scalar	validation	error	yq, system-operator, type-error, yaml
system operator: command must be a non-empty string	validation	error	yq, system-operator, validation, empty-string
system operations are disabled, use --security-enable-system	validation	error	yq, system-operator, security, configuration
system command '%v' failed: %w stderr: %v	exception	error	yq, system-operator, exec, stderr, process-exit
system command '%v' failed: %w	exception	error	yq, system-operator, exec, process-exit, path
cannot convert node at path %v of tag %v to number	validation	error	yq, to-number, type-error, yaml
cannot convert node value [%v] at path %v of tag %v to numbe	validation	error	yq, to-number, type-conversion, validation, yaml
alias cycle detected	exception	error	yaml, alias, anchors, recursion
cannot index array with '%v' (%w)	exception	error	yaml, array, indexing, traversal
index [%v] out of range, array size is %v	exception	error	yaml, array, indexing, out-of-range
only arrays are supported for unique	exception	error	yaml, arrays, unique, type-error
must use variable with a pipe, e.g. `exp as $x \| ...`	exception	error	yaml, variables, expression-syntax
RHS of 'as' operator must be a variable name e.g. $foo	exception	error	yaml, variables, expression-syntax
with must be given a block (;), got %v instead	exception	error	yaml, with-operator, expression-syntax
can't serialise value because it contains NUL char and you a	exception	error	output, nul-separated, serialization
bad file '%v': %w	exception	error	parsing, file-input, decoding
bad file '%v': %w	exception	error	parsing, file-input, decoding
panic(err) on parseInt64 failure while sorting !!int values	panic	critical	panic, sorting, yq, int64-overflow
panic(err) on ParseFloat failure while sorting numeric value	panic	critical	panic, sorting, yq, parsefloat
panic(err) on copier.Copy failure of traverse preferences	panic	error	panic, yq, internal, preferences-copy