This object would give the reason for the following cases:
1)value of object ciuVersionCompUpgradable is 'false'
then it would give the reason why the module is not
upgradable.
2)the value of object ciuversionCompUpgradeAction is either
'switchOverReset' or 'reset' and value of object
ciuVersionCompUpgradable is 'true'.
3)the value of object ciuVersionCompUpgradeImpact is
'disruptive' and value of objects, ciuVersionCompUpgradable
is 'true' and ciuversionCompUpgradeAction is neither
'switchOverReset' nor 'reset.
This object would have the reason in the above listed
order.
It would be a null string for all the other values of the
above mentioned objects.