After upgrading the Operator Console to 23.4.3 (CU3) or 23.4.4 (CU4) with Secure Hub in place on the primary hub;
or after applying Secure Hub to a 23.4.3 or 23.4.4 environment;
ACLs can no longer be created in Account Admin within Operator Console. The error returned just says "Create ACL Failed."
DX UIM 23.4.3 or 23.4.4
Secure Bus/Secure Hub 23.4.xS
Defect
In Infrastructure Manager, under Security->Probe Administration, set the permission for the wasp probe to "super" instead of "admin" and the issue will be resolved.
See Manage Probe Security Settings for more details.