What stat@sas says is correct. Without seeing more, the error indicates that you used the variable "Replicate" on the training data set. If this variable is not in the data set you wish to score, you receive that error that you have shown. One way to avoid this is to retrain your model, but remove the variable "Replicate" from the training data set (or just don't tell svm to use that variable). Then when you go to score, the "proc svmscore" will not look for that variable on the scoring data set. This is about as much advice I can offer without knowing more about your situation. I hope it helps.
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