TSS9999E CA-TSS SECURITY SVC ABEND S0C4 IN TSSKERNL+26EC
S0C4 LMOD TSSKERNL @ TSSKROUT +000684
Release : 16.0
Component : CA Top Secret for z/OS
z/OS 2.4
Product VFTP caused the Top Secret address space to be overlaid during the FTP steps on various jobs. This caused the TSS9999E message and the FTP jobs to fail.
Contact the VFTP vendor for a fix.