[rules-users] Error using multiple evals

[Ayush]

Hi All,

When I'm trying to execute multiple evals I'm getting errors. Below is what
I'm trying to do	

          MyEvent(prop1="XYZ") over window:time(1m) from entry-point
MyStream
               or
             (MyEvent() over window:time(1m) from entry-point MyStream
		and
		Number($i1 : doubleValue) 
		from accumulate(
			MyEvent(
			prop1 == "CONNECT", 
			prop2 == 3,
			eval((prop3 matches ("match "+getFirstNameRegex()+" Connect")) == true)
			) over window:time(1m) from entry-point MyStream, count()
		)
		and
		eval($i1 > getNodeCount()*0.35))
	or
		(MyEvent() over window:time(1m) from entry-point MyStream
		and
		Number($i2 : doubleValue) 
		from accumulate(
			MyEvent(
			prop1 matches "(second|Third{1}_CONNECT",
			prop2 == 1, 
			eval((prop3 matches ("MatchOne|MatchTwo){1}::"+getMMSCNameRegex()+",
failure")) == true)
			) over window:time(1m) from entry-point MyStream, count()
		)
		and
		eval($i2 > getConnectionCount()*0.4))
	or
		(MyEvent() over window:time(1m) from entry-point MyStream
		and
		Number($i3 : doubleValue) 
		from accumulate(
			MyEvent(
			prop1 matches "(E1|E2){1}_CONNECT",
			prop2 == 3, 
			eval((prop3 matches ("REPT (one|five|seven){1}:: "+getServerID()+" is
down")) == true)
			) over window:time(1m) from entry-point MyStream, count()
		)
		and
		eval($i3 > getThirdNodeCount()*0.5))

When I'm trying to execute the above LHS I get 
org.drools.rule.InvalidPatternException: Required Declarations not bound:
'$i1'.

Please help it's urgent 
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