DebugMode has been disabled using the configuration file located in C:\ProgramData\vast limits\uberAgent\Configuration:
[Miscellaneous]
DebugMode = false
Explanation:
# Setting name: DebugMode
# Description: When in debug mode, uberAgent's log file is more verbose, providing more detail on what is going on.
# Valid values: true | false
# Default: false
# Required: no
uberAgent.log located in C:\windows\temp shows DEBUG messages.
Example:

Starting with Citrix Virtual Apps and Desktops 2503, uberAgent integrates with Citrix Director to enable enhanced monitoring capabilities.
DebugMode has been enabled by default in the integration configuration file.
In this case, DebugMode value from the integration configuration takes precedence.
Disable DebugMode in Director Integration configuration file.
Location: C:\ProgramData\Citrix\uberAgent\Integrations\Director
File: uberAgent.conf
Setting:
[Miscellaneous]
DebugMode = true
DebugMode is enabled even if it has been disabled in the uberAgent.conf or not configured (the default value should be false).
The issue occurs on the machines where the VDA 2503 or 2507 is installed.
Citrix Director Integration
https://docs.citrix.com/en-us/uberagent/7-4-x/integrations/citrix-director.html