How to fix the Oracle error SQL*Loader-00304: Illegal combination of non-alphanumeric characters?

In this post, you’ll learn more about the Oracle ErrorSQL*Loader-00304: Illegal combination of non-alphanumeric characters with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

SQL*Loader-00304: Illegal combination of non-alphanumeric characters

Reason for the Error SQL*Loader-00304: Illegal combination of non-alphanumeric characters

The SQL*Loader control file contains a combination of non-alphanumeric characters that SQL*Loader does not recognize. For example, the combination != is recognized as “not equal”, but the combination =! is not valid.

How to fix the Error SQL*Loader-00304: Illegal combination of non-alphanumeric characters ?

You can fix this error in Oracle by following the below steps

Remove the unrecognized characters from the control file.