How to fix the Oracle error CLSU-00102: Operating System interface detected an error?

In this post, you’ll learn more about the Oracle ErrorCLSU-00102: Operating System interface detected an error with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSU-00102: Operating System interface detected an error

Reason for the Error CLSU-00102: Operating System interface detected an error

Cause: This message is issued instead of messages 100-101 when a “logical” error condition (rather than failure of an Operating System function call) is detected at an Operating System specific interface. The error condition is further described by accompanying message(s), including 103 and 104.

How to fix the Error CLSU-00102: Operating System interface detected an error ?

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

Action: This error normally is accompanied by other (higher-level) messages describing the operation that is affected by the failure. In most cases it will also include messages 103 and 104, providing additional details about the error. All of the messages should be examined to assess the error, which may have a very ordinary cause and correction, such as a missing required environment variable.