ecl recreate without restart won't unsuspend query

I was wondering how many queries can be recreated from 7.0 and 6.4.

I’ve tried with quite a few 6.4 queries from Cert Roxie against the 160 but keep getting similar messages to this:

001AED4B 2018-08-30 10:40:53.380 60422 61416 "ERROR: 0: ccdstate.cpp(1002) : Failed to load query watercraftv2_services.watercraftsearchservicefcra.2 from libW20180709-171348.so : Error loading /var/lib/HPCCSystems/queries/roxie_160/libW20180709-171348.so: /var/lib/HPCCSystems/queries/roxie_160/libW20180709-171348.so: undefined symbol: _Z16rtlReleaseRowsetjPPh"

001AED4C 2018-08-30 10:40:53.389 60422 61416 "ERROR: Query ccw_services.searchservice.2 suspended: Could not resolve filename thor_data400::key::new_suppression::QA::link_type_link_id (Package is compulsory)"

afishbeck ghalliday