ATKUPD227E: Update installation ordering failed for system "SYSTEM". This might indicate that an incomplete set of updates was targeted for this task. Ensure that the set of updates is complete and then try the task again. If the problem persists, then check the error log for more details.
Explanation: Generation of the requisite graph threw an exception.
Operator Response: More information about the problem, including error messages, can be found in the file error-log-0.html (and trace-log-0.html if trace is active). The default location of the log files depends on the operating system on which the product is installed. The following list provides the default location associated with each operating system.
If the problem persists, contact your next level of support or your IBM service representative.