Hi!   I'm having trouble to understand why this does work:   FILENAME asc0808 FILESRVC     FOLDERPATH='/07. Team/02.Development/Case1'     FILENAME='2019.08.08_mutations.asc';   data a1;     infile asc0808 delimiter = '|' dsd lrecl=1000 firstobs=1;     informat onbewerkt $1000.;     format onbewerkt $1000.;     input onbewerkt; run;   And this does not   data a1;     infile '/07. Team/02.Development/Case1/2019.08.08_mutations.asc' delimiter = '|' dsd lrecl=1000 firstobs=1;     informat onbewerkt $1000.;     format onbewerkt $1000.;     input onbewerkt; run;   The error message is: Physical file does not exist, '/07. Team/02.Development/Case1/2019.08.08_mutations.asc' This is the exact location I see when I look at the properties of the file reference of asc0808   Can anybody explain? To me I'm doing exactly the same, but apparently not...   Thanks! ... View more