Cause:
A problem has been fixed where the filter did not handle the null value of the field.
Resolution:
The issue was found and fixed with Release.Manager 9.0.1 HF1 in Release Manager. The Package is available for download at the Automic-Support-Zone (https://support.automic.com). Hotfix-Description: Fix the object null reference exception when importing execution. A problem has been fixed where the filter does not handle the null value of the field.
The fix also provide in below version
Release.Manager 8.0.4, Release.Manager 10.0.0, Release.Manager 9.0.2, Release.Manager 9.0.1 HF1
Additional Information:
https://communities.ca.com/message/242068465