Common SQL Errors

MySQL Error 1611: ER_LOAD_DATA_INVALID_COLUMN_UNUSED - Fixing Invalid Column Reference in LOAD DATA

Galaxy Team
August 7, 2025

<p>MySQL raises error 1611 when a LOAD DATA statement references a column that does not exist or appears more than once in the target table.</p>

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What is MySQL error 1611 (ER_LOAD_DATA_INVALID_COLUMN_UNUSED)?

<p>MySQL Error 1611: ER_LOAD_DATA_INVALID_COLUMN_UNUSED occurs when a LOAD DATA INFILE or LOAD DATA LOCAL INFILE command names a column that is missing or duplicated in the destination table. Check the column list, fix typos or duplicates, and rerun the statement to resolve the issue.</p>

Error Highlights

Typical Error Message

Invalid column reference (%s) in LOAD DATA

Error Type

Data Load Error

Language

MySQL

Symbol

ER_LOAD_DATA_INVALID_COLUMN_UNUSED

Error Code

1611

SQL State

HY000

Explanation

Table of Contents

What is MySQL Error Code 1611 (ER_LOAD_DATA_INVALID_COLUMN_UNUSED)?

MySQL returns the message "Invalid column reference in LOAD DATA" when a column in the input list is not found in the destination table or is repeated. Added in MySQL 5.7.8, the error stops ambiguous imports that could corrupt data.

What Causes This Error?

The error appears when your LOAD DATA column list or SET clause contains an unused, misspelled, or duplicate column name. MySQL validates each reference against the table definition and raises 1611 on the first mismatch.

How to Fix ER_LOAD_DATA_INVALID_COLUMN_UNUSED

Verify every column name in the LOAD DATA statement. Ensure it exists in the table, is spelled correctly, and appears only once. Remove or correct bad names, then retry the import.

Common Scenarios and Solutions

Scenario 1 - Typo: The script lists cust_id instead of customer_id. Correct the spelling and rerun.

Scenario 2 - Dropped column: The column was removed after the file was created. Update the file and script to match the current schema.

Scenario 3 - Duplicate reference: A column is named twice in the list. Delete the duplicate entry.

Best Practices to Avoid This Error

Generate column lists from INFORMATION_SCHEMA, keep ETL scripts version controlled, and validate schemas in CI. Galaxy's AI editor flags invalid column names before execution, preventing error 1611 pre-flight.

Related Errors and Solutions

Error 1146 - Table doesn't exist: occurs when the target table is missing; create it or correct the table name.

Error 1406 - Data too long: triggered when input values exceed column size; widen the column or truncate data.

Common Causes

Typographical Error

A misspelled column name in the LOAD DATA column list or SET clause triggers error 1611.

Schema Drift

A column referenced in historical scripts was dropped or renamed, leaving an obsolete reference.

Duplicate Column Name

The same column appears more than once in the column list, violating uniqueness rules.

Related Errors

MySQL Error 1146: Table doesn't exist

Raised when the target table in LOAD DATA is missing.

MySQL Error 1406: Data too long for column

Occurs when incoming data exceeds column width during import.

MySQL Error 1364: Field doesn't have a default value

Appears when a NOT NULL column is omitted and lacks a default.

FAQs

Does this error occur with LOAD DATA LOCAL INFILE?

Yes, both LOAD DATA and LOAD DATA LOCAL INFILE validate column lists and can raise error 1611.

Can I disable the column validation?

No, MySQL enforces this check to prevent data misalignment. Fix the script instead of disabling validation.

Will Galaxy catch this error before execution?

Galaxy's schema-aware autocomplete flags unknown column names in real time, helping you correct the statement before running it.

Is the error version specific?

Error 1611 was introduced in MySQL 5.7.8 and exists in all later versions, including MySQL 8.x.

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