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NetSuite SuiteScript and REST Error Codes Reference

When a script or an integration fails, the error name usually tells you where to look. This table lists common NetSuite SuiteScript error names and REST status codes with the likely cause and the first thing to check, so you can triage faster.

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Error name or status	Where you see it	Usual cause	First thing to check
SSS_USAGE_LIMIT_EXCEEDED	SuiteScript	Script used more governance units than its type allows	Move heavy loops to Map/Reduce, use runPaged, avoid record.load inside loops
SSS_TIME_LIMIT_EXCEEDED	SuiteScript	Script ran longer than the maximum execution time	Reduce work per run or split across a queued or Map/Reduce task
SSS_MISSING_REQD_ARGUMENT	SuiteScript	An API call was made without a required argument	Read the message for the argument name and check the options object keys
SSS_INVALID_TYPE_ARG	SuiteScript	Record or search type string is not valid	Use the lowercase record type id and confirm the feature is enabled
SSS_INVALID_API_USAGE	SuiteScript	API called in a context where it is not allowed	Check the script type and mode, for example client versus server
SSS_INVALID_URL	SuiteScript	URL passed to N/https or N/http is malformed	Include the scheme and a full host, and encode query parameters
SSS_FILE_CONTENT_SIZE_EXCEEDED	SuiteScript	File content is larger than the allowed size	Split the file or reduce the payload before saving
INVALID_FLD_VALUE	SuiteScript and REST	Value is not valid for the field, such as a bad list id or date format	Check the field type and use internal ids for list fields
INVALID_KEY_OR_REF	SuiteScript and REST	Reference points to a record or key that does not exist or is inactive	Verify the internal id and that the target record is active
RCRD_DSNT_EXIST	SuiteScript and REST	The record does not exist or the role cannot see it	Confirm the id, record type and the role used by the script or token
RCRD_HAS_BEEN_CHANGED	SuiteScript	Record was edited by another user or process after you loaded it	Reload, reapply the change and save, or use submitFields for small edits
INSUFFICIENT_PERMISSION	SuiteScript and REST	The role does not have the permission level required	Check role permissions for the record type and script execute-as role
USER_ERROR	SuiteScript and UI	A validation or custom error was raised on purpose	Read the message text, which is usually written by a script or workflow
UNEXPECTED_ERROR	SuiteScript and REST	Server hit an error it could not classify	Check the Execution Log and System Notes, then retry with a simpler payload
INVALID_LOGIN_ATTEMPT	Web services	Authentication failed for the supplied credentials or token	Check account id, token values, role and that the integration is enabled
HTTP 400	REST	Request body or query is invalid	Validate the JSON shape and field names against the record metadata
HTTP 401	REST and RESTlet	Authentication missing or invalid	Check the signature, timestamp, token and account id in the Authorization header
HTTP 403	REST and RESTlet	Authenticated but not allowed	Check role permissions and the REST web services permission
HTTP 404	REST	Record or endpoint not found	Check the URL path, record type, internal id and account domain
HTTP 429	REST and SOAP	Too many concurrent requests for the account	Reduce parallel calls, add retry with backoff, review concurrency limits

Names and wording can vary by release and endpoint. Use this as a first-pass troubleshooting aid and confirm in the Execution Log, the response body and the Help Center.

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How to use the list

Search with the exact error name from the Execution Log, the script notification email or the REST response body. Read the cause column to confirm it fits, then work through the first check. The list is a triage aid, not a full catalog, and the message text on your own error often carries the field or argument name you need.

Governance and time errors

The SSS_USAGE_LIMIT_EXCEEDED and SSS_TIME_LIMIT_EXCEEDED errors almost always point to design rather than a bug. Loading full records in a loop, running searches per line and doing network calls inside a save are the usual culprits. Switch to submitFields for small edits, page your searches, and move large jobs to Map/Reduce where NetSuite manages yielding and restarts.

Log remaining usage with runtime.getCurrentScript().getRemainingUsage().
Avoid record.load when a lookupFields call is enough.
Batch outbound HTTP calls outside the save path.

Authentication and permission errors

A 401 means the request was not authenticated, and a 403 or INSUFFICIENT_PERMISSION means the identity was recognised but lacks rights. With token-based authentication, the most common causes are a clock skew in the timestamp, a wrong account id format for sandbox, and a role missing the web services or log in using access tokens permission. Test with a role that has full rights on a sandbox to separate permission issues from signature issues.

Frequently Asked Questions

Where do I see SuiteScript errors?

Check the script deployment Execution Log, the script notification emails and, for web services, the response body. The Execution Log includes the error name, message and often a stack trace.

What does RCRD_HAS_BEEN_CHANGED mean?

It means the record was modified after your script loaded it, so saving would overwrite someone else's edit. Reload the record and reapply the change, or use submitFields for small targeted updates.

Why do I get 401 only in sandbox?

Sandbox account ids use a different format in the realm and URL than production. Using the production id with sandbox credentials is a very common cause of authentication failures.

Can I catch these errors in code?

Yes. Wrap calls in try and catch, read the name and message properties on the caught error, log them with N/log, and decide whether to retry or fail. Do not swallow errors without logging.

If integration failures keep landing on your team, Netray can help review how your NetSuite integrations authenticate, retry and log, and suggest a monitoring approach.

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