java.lang.RuntimeException: Unknown token 2: <: 

Warning:  session_start(): open(/var/lib/php/sessions/sess_br2v330es4hd893e5fl089np6q, O_RDWR) failed: No space left on device (28) in /var/www/tb-usercake/models/config.php on line 51



Warning:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51

{"1000659":"fail functions (improved)","1000734":"find - find object in collection with matching fields \/ find in text","1001664":"max function","1002022":"isEmpty - check strings or collections for emptiness","1002990":"contains - like Collection.contains, but allows a null collection and arrays. also for strings","1003741":"iround - round to int","1004686":"addAll - generalizes Collection.addAll + synonym of addComponents","1007500":"remove - remove element from list\/collection","1010896":"clear - clear a collection or map","1010955":"emptyObjectArray","1011370":"iterator - never returns null","1012355":"CompactHashSet - synchronized","1014327":"toArray - synonym of toObjectArray; also allows a type","1014725":"add - add Component to Container, add element to collection, set bit in BitSet","1036506":"hasNext"}
	at main.fail(m1008705.java:1589)
	at main$jsonDecode_Y.fail_base(m1008705.java:14008)
	at main$jsonDecode_Y.fail(m1008705.java:14006)
	at main$jsonDecode_Y.parseExpr(m1008705.java:14058)
	at main$jsonDecode_Y.parse(m1008705.java:14012)
	at main.jsonDecode(m1008705.java:13990)
	at main.jsonDecodeMap(m1008705.java:12844)
	at main.getSnippetTitles(m1008705.java:10820)
	at main$JavaXHyperlinker.codeToHTML(m1008705.java:6209)
	at main.html2(m1008705.java:85)
	at main.html(m1008705.java:67)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
	at java.base/java.lang.reflect.Method.invoke(Method.java:577)
	at main.invokeMethod(m1008705.java:1601)
	at main.callOpt_withVarargs(m1008705.java:4387)
	at main.callOpt(m1008705.java:3326)
	at main.callHtmlMethod2(m1008705.java:11404)
	at main$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)

from https://github.com/ontopia/ontopia/blob/HEAD/ontopia-engine/src/main/java/net/ontopia/utils/CompactHashSet.java