You can modify the ERRORS= option before and after the data step code to eliminate the data errors in the log. Or alternatively clean up the source text file to get rid of the unwanted lines that will generate the data errors.
options errors=0;
data test2; infile "c:\temp\test.txt" firstobs=3 dlm=' ' dsd missover; input Start :date11. End :date11. Days :2. CCB :$3.
Balance :comma20. Rate :percent. Amount :10.; format start end date11. balance amount dollar20.2 rate percent10.2; if start ne .;/*This cleans up unwanted rows */ run;
options errors=20;
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