ORA-12545: Connect failed because target host or object does not exist
Cause: The address specified is not valid, or the program being connected to does not exist.
Action: Ensure the ADDRESS parameters have been entered correctly; the most likely incorrect parameter is the node name. Ensure that the executable for the server exists (perhaps oracle is missing.) If the protocol is TCP or IP, edit the TNSNAMES.ORA file to change the host name to a numeric IP address and try again.
Cause: The address specified is not valid, or the program being connected to does not exist.
Action: Ensure the ADDRESS parameters have been entered correctly; the most likely incorrect parameter is the node name. Ensure that the executable for the server exists (perhaps oracle is missing.) If the protocol is TCP or IP, edit the TNSNAMES.ORA file to change the host name to a numeric IP address and try again.
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