How to fix the Oracle error ORA-55311: invalid value type string for long lexical value string?

In this post, you’ll learn more about the Oracle ErrorORA-55311: invalid value type string for long lexical value string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-55311: invalid value type string for long lexical value string

Reason for the Error ORA-55311: invalid value type string for long lexical value string

The value type of this long (length > 4000) lexical value was invalid.

How to fix the Error ORA-55311: invalid value type string for long lexical value string ?

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

Make sure that the long value has a valid value type.