I need to read specific lines from the external dataset and write them into a new dataset, arranged according to the specified variables. But it always shows "Note: Lost Card", resulting in an empty dataset being read. The log also shows a prompt of "Note: Data file MOID. DIED17. DATA is in a format that is native to another host, or the file encoding does not match the session encoding. Cross Environment Data Access will be used, which might require additional CPU resources and might reduce performance". After adding "MISSOVER" or "TRUNCOVER", the log also shows the above content but does not show the "Note: Lost Card". May I ask what the reason is? How to solve it? Thanks for your help! The specific logs are as follows: Libname MOID "D:\Data1";
data MOID.DIED17; infile 'D:\A_Personal_Data\Cdata' lrecl=1743 recfm=d truncover;
Input ;
IF REST < 4 AND DOB = 2016;
PROC SORT; BY SEQNUM;
RUN;
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