help me , error CS1056: Unexpected character

for some reason i keep on getting a error say:

Library\PackageCache\com.unity.multiplayer-hlapi@1.0.2\Editor\Tools\Weaver\UNetBehaviourProcessor.cs(1,150): error CS1056: Unexpected character ’
,help I keep on getting error for no reason it say :
Library\PackageCache\com.unity.multiplayer-hlapi@1.0.2\Editor\Tools\Weaver\UNetBehaviourProcessor.cs(1,150): error CS1056: Unexpected character ’

Looks like you put a ’ somewhere it doesn’t belong, probably in UNetBehaviourProcessor.cs at line 150 or 149. Post your code for a more detailed answer.

removing package and installing again may solve your problem.