How to fix the Oracle error OCI-21578: Only one LOB column allowed per string LCR.?

In this post, you’ll learn more about the Oracle ErrorOCI-21578: Only one LOB column allowed per string LCR. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

OCI-21578: Only one LOB column allowed per string LCR.

Reason for the Error OCI-21578: Only one LOB column allowed per string LCR.

An attempt was made to set multiple LOB columns on a piece-wise LOB LCR.

How to fix the Error OCI-21578: Only one LOB column allowed per string LCR. ?

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

Check your program and make sure OCIXStreamInChunkSend is called for only one column per piece-wise LOB LCR.