it says i need to compiler fix errors before i can enter playmode

this is the error. I never done any scripting so I would appreciate anyones help. Assets/Standard Assets/Character Controllers/Sources/Scripts/PlatformInputController.js(5,21): BCE0018: The name ‘CharacterMotor’ does not denote a valid type (‘not found’). Did you mean ‘UnityEngine.CharacterJoint’?

Do you have a class CharacterMotor anywhere? Your script is trying to access it on line 5. Either add a CharacterMotor class, or remove the reference to it in line 5.