- Replace `PoseidonReader.IPerlCfgCtrl` with `RegisterReaders.iPerlReaderUNI.IPerlUniCfgCtrl` for proper configuration control. - Add null-check and error handling in `ComponentsManagerDlg` to ensure valid default configurations. - Mark `ITestParams` as `[XmlIgnore]` in `IPerl` configurations to avoid serialization issues. - Minor import adjustments and functionality improvements for TestMethod classes.