java.lang.RuntimeException: java.io.IOException: Snippet #1014266 not found or not public
	at main.rethrow(m1008705.java:173)
	at main.loadSnippet(m1008705.java:342)
	at main.html2(m1008705.java:83)
	at main.html(m1008705.java:67)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
	at java.base/java.lang.reflect.Method.invoke(Method.java:577)
	at main.invokeMethod(m1008705.java:1601)
	at main.callOpt_withVarargs(m1008705.java:4387)
	at main.callOpt(m1008705.java:3326)
	at main.callHtmlMethod2(m1008705.java:11404)
	at main$MyHTTPD$1.get(m1008705.java:7337)
	at main$MyHTTPD$1.get(m1008705.java:1)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
	at java.base/java.lang.reflect.Method.invoke(Method.java:577)
	at main.invokeMethod(m1008705.java:1601)
	at main.safeCallF(m1008705.java:642)
	at main.callF(m1008705.java:611)
	at main$MyHTTPD.serve(m1008705.java:7373)
	at main$NanoHTTPD.serve_2(m1008705.java:9572)
	at main$NanoHTTPD.serve(m1008705.java:9553)
	at main$NanoHTTPD$HTTPSession.execute(m1008705.java:8453)
	at main$NanoHTTPD$ClientHandler.run(m1008705.java:7829)
	at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.io.IOException: Snippet #1014266 not found or not public
	at main.loadSnippet_noResourceLoader(m1008705.java:395)
	at main.loadSnippet(m1008705.java:365)
	at main.loadSnippet(m1008705.java:341)
	... 21 more

https://forum.processing.org/one/topic/artificial-horizon-compass-18-4-2013.html