Cause
The adr home is not set in the current adrci session
The adr home is not set in the current adrci session
Set the adr home using the adrci command "set base" and "set homepath"
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/diaus.htm
https://community.oracle.com/message/4008245
https://community.oracle.com/message/4007907
https://community.oracle.com/message/3920798
https://community.oracle.com/message/6494624
https://community.oracle.com/message/4028145
https://community.oracle.com/message/9610260
https://community.oracle.com/message/3982010
https://community.oracle.com/message/4243040
https://community.oracle.com/message/2542366
https://community.oracle.com/message/4080866
https://community.oracle.com/message/4287139
https://community.oracle.com/message/4237779
https://community.oracle.com/message/4007300
https://community.oracle.com/message/3987162
https://community.oracle.com/message/4105702
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