Verified with Sat 6.8.4 snap 1.0 (and Capsule of the same version).
Tried on both external and internal capsule. Disabled logging, accessed the API endpoint, got results and no error.
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 (Satellite 6.8.4 Async Bug Fix Update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.