DITA-OT output failed
At first glance, this gives me the impression something needs to be udpated … but I'd welcome clear advice on what to update and how. FM 15.0.6.956, Windows 7.0 on corporate life support. Thanks in advance.
BUILD FAILED
C:\Program Files\Adobe\Adobe FrameMaker 2019\fminit\ditafm\DITA-OT\build.xml:49: The following error occurred while executing this line:
C:\Program Files\Adobe\Adobe FrameMaker 2019\fminit\ditafm\DITA-OT\plugins\org.dita.base\build_init.xml:99: java.lang.UnsupportedClassVersionError: org/dita/dost/invoker/ExtensibleAntInvoker : Unsupported major.minor version 51.0
