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. 144 documented errors.

Code / Message	Type	Severity	Tags
CollectObject: mismatching node sizes; are you creating a…	validation	error	yq, collect-object, map-construction, mismatched-sizes
panic(err) on parseInt64 failure while sorting !!int values	panic	critical	panic, sorting, yq, int64-overflow
expected to find one 'value' entry but found	validation	error	yq, entries, validation
panic(err) on copier.Copy failure of traverse preferences	panic	error	panic, yq, internal, preferences-copy
yaml node has no content	exception	error	yaml, decoder, empty-input
unknown operator	exception	error	go, yq, expression, operator
unrecognised type	exception	error	go, yq, json, deserialization
panic(err) on ParseFloat failure while sorting numeric…	panic	critical	panic, sorting, yq, parsefloat
no support for output format	exception	error	encoder, output-format, build-tags
( ) cannot be subtracted from	validation	error	yq, type-mismatch, subtract-operator, arrays
could not load	console	error	yq, load, build-tags, decoder
orderedMap: invalid yaml node	exception	error	go, yq, yaml, deserialization
aborted	exception	error	go, yq, expression, control-flow
strings cannot be subtracted	validation	error	yq, strings, subtract-operator, type-mismatch
no support for input format	exception	error	go, yq, decoder, build-tags
cannot substitute with	validation	error	yq, environment, type-mismatch
aliases are not supported in TOML	validation	error	toml, encoder, yaml-aliases, unsupported-node-kind
HCL encoder does not support aliases	exception	error	hcl, encoding, aliases, yaml-anchors, yq
invalid XML: Encountered chardata	exception	error
could not find for format_time	validation	error	yq, datetime, missing-argument
cannot delete nodes from parent of tag	validation	error
cannot check contained in	validation	error	yq, contains-operator, type-mismatch
: expected path array, but got instead	validation	error	yq, setpath, delpaths, path-expression, type-mismatch
reduce must be given a block, got	validation	error	yq, reduce, syntax-error, missing-block
bad expression, could not find matching `)`	validation	error	expression, bracket, syntax
pkg	panic	error
env operations have been disabled	console	error	yq, security, environment
unsupported array item kind	validation	error	toml, encoder, unsupported-node-kind
is not within [ , ]	validation	error
cannot encode TOML entry with empty path	exception	error	toml, encoder, path, empty-key
reduce must be given a variables assignment, got	validation	error	yq, reduce, syntax-error, expression-structure
can only use merge anchors with maps (!!map) or sequences…	validation	error
could not parse datetime of	validation	error
system operator: args must be a non-null scalar or sequence…	validation	error	yq, system-operator, argument-validation, yaml
( ) cannot be added to a ( )	validation	error
'i' is not a valid option for match. To ignore case, use an…	validation	error
DELPATHS: expected a sequence of sequences, but found	validation	error	yq, delpaths, type-mismatch, argument-validation
index [ ] out of range, array size is	exception	error	yaml, array, indexing, out-of-range
alias cycle detected	exception	error	yaml, alias, anchors, recursion
' ' expects 1 arg but received none	validation	error	expression, parser, syntax
configure YAML encoding	exception	error	yaml, encoding, configuration
not yet supported for comparison	validation	error	yq, comparison-operator, unsupported-type, scalar-tag
only keyvalue pairs are supported in inlinetables, got	exception	error
unsupported node kind	exception	error	hcl, encoding, unsupported-kind, yq
RHS of 'as' operator must be a variable name e.g. $foo	exception	error	yaml, variables, expression-syntax
unknown format ' ' please use [ ]	validation	error
sequence contains elements of	validation	error	yq, pivot, heterogeneous-sequence, type-mismatch
cannot change case with	validation	error
maps not yet supported for subtraction	validation	error	yq, arithmetic, unsupported-operation, maps
node at path [ ] is not an array (it's a )	validation	error	yq, reverse, type-mismatch, node-kind
unrecognised match params	validation	error
not yet supported for contains	validation	error	yq, contains-operator, unsupported-type
expected to find one 'key' entry but found	validation	error
failed to parse INI content	exception	error
cannot get keys of , keys only works for maps and arrays	validation	error	yq, keys, type-mismatch
arrays not yet supported for comparison	validation	error	yq, comparison-operator, unsupported-type, array
DELPATHS: expected entry	validation	error	yq, delpaths, type-mismatch, path-arrays
system command ' ' failed	exception	error	yq, system-operator, exec, process-exit, path
unsupported inline table value kind	validation	error	toml, encoder, yaml-aliases, inline-table
can only pivot elements of !!seq or !!map types, received	validation	error	yq, pivot, scalar-elements, unsupported-type
cannot match with , can only match strings. Hint: Most…	validation	error
failed to load	console	error
from entries only runs against arrays	validation	error	yq, entries, type-mismatch
cannot be added to	validation	error	yq, type-mismatch, subtract-operator, null
system operations are disabled, use…	validation	error	yq, system-operator, security, configuration
cannot pick indices from type	validation	error	yq, pick, type-mismatch, node-kind
all only supports arrays, was	validation	error
cannot encode as URI, can only operate on strings. Please…	exception	error	shell, encoder, string, type-mismatch
expected to find 1 number, got	validation	error
must provide a date time format string and an expression…	validation	error	datetime, expression, usage
maps not yet supported for comparison	validation	error	yq, comparison-operator, unsupported-type, map
unsupported type	exception	error
: expected either a !!str or !!int in the path, found…	validation	error	yq, setpath, delpaths, path-expression, type-mismatch
cannot index array with	validation	error	yq, pick, array-index, parse-error
cannot be divided by	validation	error
unable to parse duration	validation	error
cannot modulo by 0	validation	error
cannot trim , can only operate on strings.	validation	error
bad path expression, got close collect brackets without…	exception	error	expression, parser, brackets
from_unix only works on numbers, found	validation	error
: could not parse as an int	validation	error	yq, setpath, delpaths, path-expression, parsing
value for env variable	validation	error	yq, environment, missing-variable
hcl parse error	exception	error
no hcl file parsed	exception	error
unknown style	validation	error	yq, style, invalid-argument, operator
csv encoding only works for arrays of scalars…	exception	error
SETPATH must be given a block (;), got	validation	error	yq, setpath, syntax, expression-parsing
node at path [ ] is not an array or map (it's a )	validation	error
cannot modulo by	validation	error
cannot multiply with	validation	error	yq, multiplication, type-mismatch, yaml
file operations have been disabled	console	error
result of repeating string	validation	error	yq, string-repetition, memory-limit, resource-limit
unsupported node kind for TOML	exception	error	toml, encoder, node-kind, alias
unsupported node	exception	error	properties, encoder, node-kind
has no keys	validation	error
failed copying from to	exception	error	filesystem, in-place, symlink
failed to read INI content	exception	error
bad file	exception	error	parsing, file-input, decoding
lua encoder NYI	exception	error	lua, encoder, tag, not-implemented
cannot join with , can only join arrays of scalars	validation	error	yq, join, type-mismatch, arrays