tail -f on dyn.log shows me that it is spinning here endlessly.
[2020-12-08 19:04:25.887 Tue] [59375:3ffa7d8561e8:3ffa65c58614] [DBG_] DYN: CBits::AM::ProxyGenTask.schedule_proxy_gen_on_fiber: [START] {"cat_uuids"=>["98a22c6d-db9a-4bca-60b7-823c9c1dbc85"], "paths"=>[["amdoc://49dc4bb2-e790-4f44-64b6-39b45d5bd283/2003/09/25/PICT0435.JPE", "/Volumes/Backup/Pictures/2003/09/25/PICT0435.JPE"]], "size"=>1600}
[2020-12-08 19:04:25.887 Tue] [59375:3ffa7d8561e8:3ffa65c58614] [WARN] Hub: <70345083424860>[127.0.0.1:63361] CILA::PROTO::RPCServerConn.rpc_dispatch: exception: RuntimeError/rpc_dispatch_fwd: nil map to fwd_rpc from fwd_rpc_id in portkey to=[[70345083424860, 70344686797120], 0] msg="image_resize_batch" location=/Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:1150:in `rpc_dispatch_fwd', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:1081:in `do_rpc_forward', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:1051:in `rpc_dispatch', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:469:in `do_rpc_dispatch_or_forward_msg', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:454:in `block in dispatch_rpc_messages', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:442:in `rpc_dispatch_nest', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:449:in `dispatch_rpc_messages', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:425:in `block in st_recv_rpc_run', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/noraise.rb:24:in `noraise', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:425:in `st_recv_rpc_run', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:257:in `receive_data', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/eventmachine.rb:193:in `run_machine', /Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/eventmachine.rb:193:in `run', ./dyn/script/start_dyn_platform.rb:156:in `<main>'
[2020-12-08 19:04:25.887 Tue] [59375:3ffa7d8561e8:3ffa65c58074] [DBG_] DYN: CBits::AM::ProxyGenTask.schedule_proxy_gen_on_fiber: [FINISH] uuid={"cat_uuids"=>["98a22c6d-db9a-4bca-60b7-823c9c1dbc85"], "paths"=>[["amdoc://49dc4bb2-e790-4f44-64b6-39b45d5bd283/2003/09/25/PICT0435.JPE", "/Volumes/Backup/Pictures/2003/09/25/PICT0435.JPE"]], "size"=>1600}
[2020-12-08 19:04:25.887 Tue] [59375:3ffa7d8561e8:3ffa65c58074] [ERR!] CILA::FiberPool: fiber outer exception: image_resize_batch failed: ["image_resize_batch: RuntimeError/rpc_dispatch_fwd: nil map to fwd_rpc from fwd_rpc_id in portkey"] - ["/Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:649:in `call'", "/Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/proto/rpc.rb:665:in `method_missing'", "./archive/common/am_cache.rb:735:in `gen_local_scaled_image_batch'", "./archive/common/am_cache.rb:698:in `gen_proxy_batch'", "./archive/app/am_app_util.rb:2153:in `gen_local_proxy_batch'", "./archive/app/am_app_util.rb:2318:in `block in schedule_proxy_gen_on_fiber'", "/Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/fiberpool.rb:60:in `call'", "/Applications/Photo Mechanic Plus.app/Contents/pmruby/lib/ruby/site_ruby/2.2.0/cila/fiberpool.rb:60:in `block in add_fiber'"]