Sundeep,
This means SAP is a valid library type but the SAP libraries are not available. This can mean that they are not downloaded or that they you did download them and thay are not found.
The Post-Installation Instructions for SAS/ACCESS 9.4 Interface to R/3 say: --------------- SAP System Release · SAP Kernel Release 4.6C or higher · 64-bit SAP Unicode RFC library, Release 7.20 or higher The SAS/ACCESS Interface to R/3 software for Windows and UNIX requires the 64-bit SAP Unicode RFC library, Release 7.20 or higher, which is provided by SAP AG. As of the end of maintenance for SAP Release 7.10 (March 31, 2016), SAP no longer supports the classic RFC SDK or the classic RFC library. This end of maintenance also applies to SAP Releases 7.11 and 7.20. A transition to the SAP NetWeaver RFC Library should start immediately. The SAP NetWeaver RFC Library supports all SAP NetWeaver and R/3 systems and supports Unicode and non-Unicode. Refer to SAP note 1025361 for installation instructions, support information, and details about the availability of the SAP NetWeaver Library. The preferred method is to download the Unicode SAP RFC SDK because it includes all of the necessary files that allow the connection from SAS to SAP.
------------
If you have downloaded the librarys you need to check that they are available to the data step. On Windows this is the C:\Windows\Sytem32 folder.
http://support.sas.com/documentation/installcenter/en/ikr3cg/66652/PDF/default/config.pdf
and
SAP Note 413708 for the current version or the DLLs
Andy
... View more