Verified custom report based on "Chargeback for Project" was created successfully and no TypeError was found in the logs.
Build: 5.9.4.5.20180821202240_ced41ae
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2018:2561