Setting multiDexEnabled true

gradle log

Error:Execution failed for task ':Plume:dexDebug'.
> com.android.ide.common.internal.LoggedErrorException: Failed to run command:
	C:\android-sdk\build-tools\21.1.1\dx.bat --dex --no-optimize --multi-dex --main-dex-list C:\Users\Dell990MT\Documents\Program\LevelUp\Plume\work\Plume\build\intermediates\multi-dex\debug\maindexlist.txt --output C:\Users\Dell990MT\Documents\Program\LevelUp\Plume\work\Plume\build\intermediates\dex\debug --input-list=C:\Users\Dell990MT\Documents\Program\LevelUp\Plume\work\Plume\build\intermediates\tmp\dex\debug\inputList.txt
Error Code:
	3
Output:
	UNEXPECTED TOP-LEVEL ERROR:
	java.lang.OutOfMemoryError: GC overhead limit exceeded
		at com.android.dx.cf.code.Ropper.processBlock(Ropper.java:1048)
		at com.android.dx.cf.code.Ropper.doit(Ropper.java:742)
		at com.android.dx.cf.code.Ropper.convert(Ropper.java:349)
		at com.android.dx.dex.cf.CfTranslator.processMethods(CfTranslator.java:280)
		at com.android.dx.dex.cf.CfTranslator.translate0(CfTranslator.java:137)
		at com.android.dx.dex.cf.CfTranslator.translate(CfTranslator.java:93)
		at com.android.dx.command.dexer.Main.processClass(Main.java:729)
		at com.android.dx.command.dexer.Main.processFileBytes(Main.java:673)
		at com.android.dx.command.dexer.Main.access$300(Main.java:82)
		at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:602)
		at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284)
		at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
		at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
		at com.android.dx.command.dexer.Main.processOne(Main.java:632)
		at com.android.dx.command.dexer.Main.processAllFiles(Main.java:505)
		at com.android.dx.command.dexer.Main.runMultiDex(Main.java:332)
		at com.android.dx.command.dexer.Main.run(Main.java:243)
		at com.android.dx.command.dexer.Main.main(Main.java:214)
		at com.android.dx.command.Main.main(Main.java:106)