DFS3284A INCOMPATIBLE CONTROL STATEMENTS: `s1 - s2`

Explanation
 The SYSIN data set contains two control statements, s1 and s2,
which cannot be used together.

System action
 The job is terminated before backout begins.

Programmer response
 Remove the inappropriate control statement and
resubmit the job. For descriptions of all control statements see  IMS Version 15.4 Database Utilities.