I'm confused. What procedure are you having problems with? You posted code for PROC CORR, but later you say, "I tried with proc corr and it worked."
If this is the FitPlot in PROC REG, then you should know that the output is a heatmap for a large number of points. The MAXPOINTS= option accepts two parameters. See the last paragraphs of the previous link for a discussion and example of controlling the appearance of the FitPlot.
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