Control Editor CISWTException

Hello,
by creating a new Control I get an Error in SWTBasedGui cis2.2:

com.softwareag.cis.gui.swt.util.CISWTException:
com.softwareag.cis.gui.swt.controls.ITRControl is not inherited from CIControl. Parent is com.softwareag.cis.gui.swt.controls.ITRControl

editor_lip.xml:

[quote]

<?xml version="1.0" encoding="UTF-8"?>

<!