reactor-core/src/main/java/reactor/core/publisher/Hooks.java
public static void resetOnOperatorError(String key) {
		Objects.requireNonNull(key, "key");
		log.debug("Reset onOperatorError: {}", key);
		synchronized (log) {
			onOperatorErrorHooks.remove(key);
			onOperatorErrorHook = createOrUpdateOpErrorHook(onOperatorErrorHooks.values());
		}
	}
public static void resetOnOperatorError(String key) {
		Objects.requireNonNull(key, "key");
		log.debug("Reset onOperatorError: {}", key);
		synchronized (log) {
			onOperatorErrorHooks.remove(key);
			onOperatorErrorHook = createOrUpdateOpErrorHook(onOperatorErrorHooks.values());
		}
	}
Remove the sub-hook with key {@code key} from the onOperatorError hook. No-op if
no such key has been registered, and equivalent to calling {@link #resetOnOperatorError()}
if it was the last sub-hook.

@param key the key of the sub-hook to remove