EMS Error When Using PV Generation as Sensor

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Hi all, Im Using EMS in Energy plus for making my Pump ON while my PV system production is higher than 3000 watts. Here is my Program:

EnergyManagementSystem:Sensor,
  PV_Generation,      !- Name
  Average,                 !- Output:Variable or Output:Meter Index Key Name
  Electric Load Center Produced Electric Power;  !- Output:Variable or Output:Meter Name


EnergyManagementSystem:Actuator,
  CHW_Loop_Sch_Modified,   !- Name
  CHW_Loop_Schd,           !- Actuated Component Unique Name
  Schedule:Compact,        !- Actuated Component Type
  Schedule Value;          !- Actuated Component Control Type

EnergyManagementSystem:ProgramCallingManager,
  CHW_Program,             !- Name
  BeginTimestepBeforePredictor,  !- EnergyPlus Model Calling Point
  System_Storage;          !- Program Name 1

EnergyManagementSystem:Program,
  System_Storage,          !- Name
  IF (PV_Generation > 3000),  !- Program Line 1
    SET CHW_Loop_Sch_Modified = 1,  !- Program Line 2
  ELSE,                    !- A4
    SET CHW_Loop_Sch_Modified = 0,  !- A5
  ENDIF;                   !- A6

I got this Error:

** Invalid Output:Variable or Output:Meter Index Key Name =AVERAGE

** ~~~ ** For Output:Variable or Output:Meter = ELECTRIC LOAD CENTER PRODUCED ELECTRIC POWER

** ~~~ ** Entered in EnergyManagementSystem:Sensor=PV_GENERATION

** ~~~ ** Unique Key Name not found.

Please can someone guide me?

Please note:

• HVAC,Average,Electric Load Center Produced Electric Power [W] is taken from my RDD File.
• CHW_Loop_Schd is my pump schedule.

Thank you