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

Warning:  session_start(): open(/var/lib/php/sessions/sess_9344022fjlkac5fv95v2t0no02, 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

{"1000658":"print function (=System.out.println + logging in memory)","1003609":"nextToLast","1010527":"conceptsFile - path to file with a program's concepts","1016098":"conceptBackupFiles","1020474":"boolPar - extended synonym of boolOptParam","1020616":"backupFile - back-up a file to a standard location","1022131":"sortByFileName - synonym of sortFilesByName","1024021":"with - synonym of withComputing","1031049":"restoreConceptsBackup","1031050":"restoreNextToLastConceptsBackup"}
	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)

Began life as a copy of #1022129