Bundl release 5.0
Component : CA Bundl
The client found that this library: SYS2.XPRTWARE.LOADLIB was in linklist, ahead of the CA Bundl library. There were some load module's with the same names as modules used by CA Bundl.
The load modules appeared to be Common Services CA Lserv modules.
When he removed the CA CA Xpertware library, there were no further issues. The library in question is for CA CA Xpertware.