ApiError appends parent stacktrace to its own.

src/buffoonery/apierror.nim

@@ -10,6 +10,7 @@ proc newApiError*(parent: ref Exception = nil, respCode: HttpCode, respMsg: stri
   result = newException(ApiError, msg, parent)
   result.respCode = respCode
   result.respMsg = respMsg
+  result.trace &= parent.trace
 
 
 proc raiseApiError*(respCode: HttpCode, respMsg: string, msg = "") =