Errors in tests when starting docker image in container more than twice, in rancher

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#1

hi i’m getting this error when starting my katalon docker image more than two times in rancher

[TEST_CASE][ERROR] - Test Cases/test: Test Cases/tes has ERROR(s) because (of) org.codehaus.groovy.runtime.InvokerInvocationException: java.awt.AWTError: Can’t connect to X11 window server using ‘:99’ as the value of the DISPLAY variable

#2

!MESSAGE The workspace exited with unsaved changes in the previous session; refreshing workspace to recover changes.

get this message is console log also