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I am attempting to display the dsn names on a T10K tape and I am receiving an error:

error :  SMC0043 Job JTAPEBR step SAS not allocatable at MINLVL=2; actual failing level=1; f

The library is a SL8500 and a T10K tape drive.

//JTAPEBR JOB  ,CLASS=1,MSGCLASS=U,MSGLEVEL=(1,1) ,REGION=4M
//**************************************************************  
//* JOB TO TAPE BROWSE A T10K SL8500 TAPE                         
//**************************************************************  
//TAPELABL  EXEC SAS                                              
//TAPE     DD UNIT=CART,DISP=OLD,EXPDT=98000,                     
//         VOL=SER=T12345,LABEL=(1,BLP)                            
//SYSIN    DD *                                                   
   PROC TAPELABEL;                                                
/*                                                                

This JCL works for a StorageTEK 9490 timberline and 3490E tape.