If theAccept-Languageheader in the incoming request is not "English", then errors returned by the Apps Script API include this message. It contains the same error text translated to the requested locale.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-31 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eAccept-Language\u003c/code\u003e header in the request determines the language of error messages.\u003c/p\u003e\n"],["\u003cp\u003eError responses may contain a localized message object with the locale and translated message.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003elocale\u003c/code\u003e field follows the BCP 47 specification for language tags (e.g., "en-US").\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003emessage\u003c/code\u003e field provides the error message translated into the specified locale.\u003c/p\u003e\n"]]],[],null,["# LocalizedMessage\n\n- [JSON representation](#SCHEMA_REPRESENTATION)\n\nIf the `Accept-Language` header in the incoming request is not \"English\", then errors returned by the Apps Script API include this message. It contains the same error text translated to the requested locale.\n\n| JSON representation |\n|-------------------------------------------------|\n| ``` { \"locale\": string, \"message\": string } ``` |\n\n| Fields ||\n|-----------|---------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `locale` | `string` The locale used following the specification defined at \u003chttps://www.rfc-editor.org/rfc/bcp/bcp47.txt\u003e. Examples are: \"en-US\", \"fr-CH\", \"es-MX\" |\n| `message` | `string` The localized error message in the above locale. |"]]
