When attempt to enter Gen Host Encyclopedia get the message: "PARAMETER FILE ERROR.000
".
Release : 8.6
Gen Host Encyclopedia
For this error when entering the Gen Host Encyclopedia, check the session allocations by entering the following from the command line within your session:
TSO ISRDDN
Make sure there is a DDNAME for TIUPARML with your PARMLIB library allocation for your logged in session.
For example looking at a example 'TSO ISRDDN', you should see a reference like: 'TIUPARML AAAC.COOLH01.AG86.PARMLIB
'
From the Gen 8.6 documentation regarding allocating specific libraries, see the following location: Configuring Host Encyclopedia and Host Construction > Establish an ISPF Library Concatenation