After upgrade to Spool 12.0 the following error message is occurring:
ESF4984 ESFGX2YY - Load failed
ESF4117 Transformer Interface halted (LF)
The Java Transformers load library CE0LOAD is missing from the STEPLIB concatenation of the CA Spool started. This is a new library that is created when the CA Spool Transformers option is installed.
In Spool 12.0, the Transformer Interface (both C and Java versions) have been removed from the base product Pax file and have been moved to their own Pax file.