How to fix the Oracle error ORA-22055: unknown sign flag value [string]?

In this post, you’ll learn more about the Oracle ErrorORA-22055: unknown sign flag value [string] with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22055: unknown sign flag value [string]

Reason for the Error ORA-22055: unknown sign flag value [string]

Signed flag used is not OCI_NUMBER_SIGNED or OCI_NUMBER_UNSIGNED.

How to fix the Error ORA-22055: unknown sign flag value [string] ?

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

Use either OCI_NUMBER_SIGNED or OCI_NUMBER_UNSIGNED as sign flag.