find: `-exec' の引数が足りない問題

Unresolved reference ''truthdiscovery' less... (Ctrl+F1) 
This inspection detects names that should resolve but don't. Due to dynamic dispatch and duck typing, this is possible in a limited but useful number of Top-level and class-level items are supported better than instance items.

の前後のスペースと、最後のセミコロンに注意してください。