Errors in PPM app-ca.logs When Making Changes in Action Item Object

Document ID : KB000115676
Last Modified Date : 24/09/2018
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Issue:
We are seeing an error in the app-ca.logs when making changes to the Action Item Object view (example, updating or removing a field from the view)

Error excerpt:

Failure while evaluating "integer(data/object/@code)" in expression "{integer(data/object/@code)}"
java.lang.Exception: Invalid expression integer(data/object/@code): Error parsing number actionitem

        at com.niku.xql2.XQLVisitor.eval(XQLVisitor.java:1134)
        at com.niku.xql2.XQLVisitor.eval(XQLVisitor.java:1060)
        at com.niku.xql2.XQLVisitor.process(XQLVisitor.java:1292)
        at com.niku.xql2.XQLVisitor.process(XQLVisitor.java:1340)

Caused by: java.lang.NumberFormatException: Error parsing number actionitem
        at com.niku.union.utility.DataFormatUtil.parseNumber(DataFormatUtil.java:247)
        at com.niku.union.utility.DataFormatUtil.parseInt(DataFormatUtil.java:107)
        at com.niku.xql2.eval.XQLEvaluatorUtil.convert(XQLEvaluatorUtil.java:38)
        at com.niku.xql2.eval.XQLUnaryNode.eval(XQLUnaryNode.java:32)
        at com.niku.xql2.eval.XQLEvaluator.parse(XQLEvaluator.java:40)
Resolution:
This issue is no longer reproducible in CA PPM 15.2 and higher. It does not appear to have any impact as changes are completed successfully. 
Additional Information:
See KB KB000007107 - Warning appears on app-ca.log files: VXML Image "null" not found in VXMLImages map. Please add or change VXML to use the constant! for a warning that may also be noticed in the logs that has been confirmed to be of no impact