Tool

OFS Error Decoder

Paste any OFS error message and get a plain-English explanation of what went wrong, why it happened, and how to fix it. Covers 30+ common T24 OFS errors.

Why you need to decode OFS errors

OFS errors are the number one daily frustration for T24 integration teams. When an external system sends an OFS message to T24 and gets back an error like OFS_CONN_ERR or OFS.INVALID.FIELD, the error message alone rarely tells you exactly what to do next. Is it a network issue? A configuration problem? A typo in a field name?

This tool decodes common T24 OFS error codes into three parts: what the error actually means, the most common root causes, and concrete next steps to resolve it. It is designed for integration developers, support analysts, and anyone who works with T24 OFS messages and needs fast answers.

Example: OFS error decoding

When your integration receives an error like OFS_CONN_ERR - Failed to connect to T24 server 10.0.0.1:1830, the decoder identifies the error code and tells you:

What it means: The OFS listener service is not running or unreachable
Common causes: OFS listener crashed, firewall blocking port 1830, incorrect OFS.SOURCE configuration
Next steps: Check the listener service, test network connectivity, review OFS.SOURCE settings

Try it yourself — paste an OFS error message into the decoder above, or browse the full list of supported error codes below.

Frequently asked questions

What OFS errors are covered?

The decoder covers 30+ of the most common T24 OFS errors, including connection errors (OFS_CONN_ERR), field errors (OFS.INVALID.FIELD, FIELD.NAME.UNKNOWN), record errors (OFS.RECORD.NOT.FOUND, OFS.RECORD.NOT.UNIQUE), validation errors, security errors, timeout errors, queue errors, and routine failures. We add new errors regularly based on community feedback.

How does the error detection work?

The tool scans the pasted text for known OFS error code patterns. It uses exact matching against the lookup table, so it will find any recognised error code embedded in a longer error message. If you paste a full log line, it will pull out every recognised error code and show you all matching explanations.

Does this tool send my data anywhere?

No. All processing happens entirely in your browser. Your OFS error messages, log data, and search queries never leave your machine. There is no server call, no API, and no data storage.

What if my error code is not in the list?

The tool covers the most common OFS errors, but not every possible error. If your error code is not recognised, you can still browse the list for related errors or search by keyword. For less common errors, check the T24 OFS.LOG or contact your T24 administrator.