subprojects/parseq/src/main/java/com/linkedin/parseq/trace/Trace.java
public static Trace single(ShallowTrace shallowTrace) {
    return single(shallowTrace, TraceBuilder.UNKNOWN_PLAN_CLASS, TraceBuilder.UNKNOWN_PLAN_ID);
  }
public static Trace single(ShallowTrace shallowTrace) {
    return single(shallowTrace, TraceBuilder.UNKNOWN_PLAN_CLASS, TraceBuilder.UNKNOWN_PLAN_ID);
  }
Need to fix in the next major version release.