WorkerExtraInfo - "doesn't include values that define a unique reference" error

Summary: "The line for component WorkerExtraInfo with instruction MERGE doesn't include values that define a unique reference to the record" error

Content (please ensure you mask any confidential information):

I am testing the option to use Worker.dat (WorkerExtraInfo) to load XXHR_PERFORMANCE_EVAL, which is the performance evaluation, to Extra Information in HCM.

This is where the evaluation rating located:

This is the Worker.dat file that I am using for testing:

METADATA|WorkerExtraInfo|FLEX:PER_PERSON_EIT_EFF|EFF_CATEGORY_CODE|effectiveDate(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|nextReviewDate(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|pcn(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|reviewFrom(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|reviewRating(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|reviewRating_Display(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|reviewTo(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|reviewType(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|reviewType_Display(PER_PERSON_EIT_EFF=XXHR_PERFORMANCE_EVAL)|EffectiveStartDate|EffectiveEndDate|PersonId|PersonNumber|InformationType