After a HIPER - and preventive software service for Top Secret was applied, which contained these PTFs:
LU01590 LU03239 LU05129 LU05130 LU06089 LU06162
LU06167 LU06273 LU06445 LU06477 LU06490 LU06494
LU06537 LU06552 LU06679 LU06682 LU06762 LU06767
Program TSSCFBK does not work correctly any more. It produces error messages and no results.
Unknown data encountered on next line for ....
Release : 16.0
PTF LU06987 resolves this issue.