There is no primary method for the generic function # when called with arguments (>>REPL #S(VERBOSE:SYNC-REQUEST :CONDITION # :LOCK #)). [Condition of type SB-PCL::NO-PRIMARY-METHOD] See also: Common Lisp Hyperspec, 7.6.6.2 [:section] Restarts: 0: [RETRY] Retry calling the generic function. 1: [CONTINUE] Continue processing messages, skipping #S(VERBOSE:SYNC-REQUEST :CONDITION # :LOCK #) 2: [SKIP] Skip processing the message batch. 3: [ABORT] abort thread (#) Backtrace: 0: ((:METHOD SB-PCL::NO-PRIMARY-METHOD (T)) # >>REPL #S(VERBOSE:SYNC-REQUEST :CONDITION # (>>REPL #S(VERBOSE:SYNC-REQUEST :CONDITION # :LOC.. 2: ((:METHOD PIPING:PASS (VERBOSE:STREAM-FAUCET T)) >>REPL #S(VERBOSE:SYNC-REQUEST :CONDITION # :LOCK #>REPL) #S(VERBOSE:SYNC-REQUEST :CONDITION # :LOCK #>REPL)) #S(VERBOSE:SYNC-REQUEST :CONDITION # :LOCK #) [fast-method] 6: ((LAMBDA NIL :IN BORDEAUX-THREADS::BINDING-DEFAULT-SPECIALS)) 7: ((FLET "WITHOUT-INTERRUPTS-BODY-4" :IN SB-THREAD::INITIAL-THREAD-FUNCTION-TRAMPOLINE)) 8: ((FLET SB-THREAD::WITH-MUTEX-THUNK :IN SB-THREAD::INITIAL-THREAD-FUNCTION-TRAMPOLINE)) 9: ((FLET "WITHOUT-INTERRUPTS-BODY-1" :IN SB-THREAD::CALL-WITH-MUTEX)) 10: (SB-THREAD::CALL-WITH-MUTEX # # NIL # (#