Getting this message at login time.
Requested instance '' was not found at currently connected server.
Release :
Component :
URL Issue : Everything that comes after /ca7wai in this case should be removed from the URL.
system.etc.corpname.com:portnr/ca7wai_appl/ca7wai
When this message is encountered first look at the URL that is used.
This is an example. The URL that caused issues had other text following "/ca7wai".
example : system.etc.corpname.com:portnr/ca7wai_appl/ca7wai/connection_name=xxxxxx
After removing /connection_name=xxxxxx the issue was fixed.
system.etc.corpname.com:portnr/ca7wai_appl/ca7wai