1) If problem occurs at IPL, check your SYSLOG to see if CAIRIM is fully up before Roscoe begins to come up. You may need to modify you IPL procedure to allow RIM to come up before Roscoe begins coming up.
2) Both Roscoe and CAS90 must be APF authorized. . Check that all RIM and Roscoe libraries are APF authorized. Be sure to check for anything that is steplib'd in the Roscoe task.