All values are equal Unknown

[ghost]

Good evening, I rewrote your project by updating it to version 6.0 (current version in Java), but when displaying the result, all values are Unknown, here is an example:

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36 OPR/79.0.4143.73 (Edition Yx GX)

Results:

Elapsed time: ~ 9,0911007 s

Field name Value Confidence

DeviceClass Unknown -1

DeviceName Unknown -1

DeviceBrand Unknown -1

OperatingSystemClass Unknown -1

OperatingSystemName Unknown -1

OperatingSystemVersion ?? -1

OperatingSystemVersionMajor ?? -1

OperatingSystemNameVersion Unknown ?? -1

OperatingSystemNameVersionMajor Unknown ?? -1

LayoutEngineClass Unknown -1

LayoutEngineName Unknown -1

LayoutEngineVersion ?? -1

LayoutEngineVersionMajor ?? -1

LayoutEngineNameVersion Unknown ?? -1

LayoutEngineNameVersionMajor Unknown ?? -1

AgentClass Unknown -1

AgentName Unknown -1

AgentVersion ?? -1

AgentVersionMajor ?? -1

AgentNameVersion Unknown ?? -1

AgentNameVersionMajor Unknown ?? -1

Could you tell me where the error might be hiding?