Java Heap Error while preparing report ( execution was successful )

Please check below error:: while the auto-generating report

  • installed basic report plugin.

08-09-2019 01:07:33 PM exportKatalonReports
Elapsed time: 16.384s
org.codehaus.groovy.runtime.InvokerInvocationException: java.lang.OutOfMemoryError: Java heap space

  • when I observe the start and stop button both are active ( after finishing one-hour test suite execution . still same ) check the attached image for reference

Katalon Studio Version: 6.2.2

katalon.ini file info

I tried increasing and decreasing Xmx1024m, Xmx2048m, and Xmx4096m
my laptop ram was 4GB