# S02034 {#S02034}

## Error Code {#error_code .section}

S02034

## Error Message {#error_message .section}

`The where condition must be an expression or a function call, but now it is <xxx>. RefId:S02034`

## Probable Causes {#probable_causes .section}

The where clause must be followed by an expression or a function.

For example, the error will occur if a vector is specified in the WHERE clause.

``` {#codeblock_mbx_dpz_zbc}
select * from t where [1, 2, 3]
```

## Solutions {#solutions .section}

Check whether the conditions specified in the WHERE clause are valid.

**Parent topic:**[Error Code Reference](../../Troubleshooting/ErrorCode.md)

