In this post, you’ll learn more about the Oracle ErrorORA-48121: error with opening the ADR stream file [string] [string] with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-48121: error with opening the ADR stream file [string] [string]
Reason for the Error ORA-48121: error with opening the ADR stream file [string] [string]
An error was encountered when attempting to open an ADR stream file.
How to fix the Error ORA-48121: error with opening the ADR stream file [string] [string] ?
You can fix this error in Oracle by following the below steps
Check the rest of the error stack for details of the actual error that was encountered.