Error opening jmx in JMeter 5.4.3

[kamal2222ahmed]

error:

java.lang.IllegalArgumentException: Problem loading XML from:'C:\Users\Ahmed-Syed-K\JMETER\apache-jmeter-5.4.3\bin\project1_example_test.jmx'. 
Cause:
CannotResolveClassException: kg.apc.jmeter.reporters.AutoStop

 Detail:com.thoughtworks.xstream.converters.ConversionException: 
---- Debugging information ----
cause-exception     : com.thoughtworks.xstream.converters.ConversionException
cause-message       : 
first-jmeter-class  : org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:66)
class               : org.apache.jmeter.save.ScriptWrapper
required-type       : org.apache.jmeter.save.ScriptWrapper
converter-type      : org.apache.jmeter.save.ScriptWrapperConverter
path                : /jmeterTestPlan/hashTree/hashTree/hashTree[3]/kg.apc.jmeter.reporters.AutoStop
line number         : 390
version             : 5.4.3
-------------------------------

[kamal2222ahmed]

resolved by installing AutoStop Reporter

[kamal2222ahmed]

resolved