How to fix the Oracle error PRCD-01059: Instance name prefix {0} contains illegal characters?

In this post, you’ll learn more about the Oracle ErrorPRCD-01059: Instance name prefix {0} contains illegal characters with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01059: Instance name prefix {0} contains illegal characters

Reason for the Error PRCD-01059: Instance name prefix {0} contains illegal characters

Cause: The supplied instance name prefix contained non-alphanumeric characters.

How to fix the Error PRCD-01059: Instance name prefix {0} contains illegal characters ?

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

Action: Supply an instance name prefix that consists of alphanumeric characters a-z, A-Z, and 0-9.