If the data you are transferring contains an invalid SAS name, such as a name containing special characters, national characters, or embedded blanks, you can specify VALIDVARNAME=ANY or VALIDMEMNAME=EXTEND before the signon statement to successfully transfer the files. The following types of data can contain nonstandard SAS names when you use the VALIDVARNAME and VALIDMEMNAME system options with PROCS UPLOAD and DOWNLOAD:

For more information about these Base SAS system options, see VALIDMEMNAME= System Option in SAS System Options: Reference and VALIDVARNAME= System Option in SAS System Options: Reference.