I have a weird error. My program runs but the error still shows up.

D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true D/Atlas: Validating map... I/OpenGLRenderer: Initialized EGL, version 1.4

              [ 12-16 06:24:24.750 13564:13617 D/         ]
              HostConnection::get() New Host Connection established 0x7fbd087ac240, tid 13617

D/OpenGLRenderer: Enabling debug mode 0 W/EGL_emulation: eglSurfaceAttrib not implemented W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0x7fbd087ac840, error=EGL_SUCCESS E/eglCodecCommon: glUtilsParamSize: unknow param 0x00000b44 E/eglCodecCommon: glUtilsParamSize: unknow param 0x00000bd0 V/digital_msg_board: {"latitude":43.8054259,"longitude":-79.5540045,"timezone":"America/Toronto","offset":-5,"currently":{"time":1481887469,"summary":"Partly Cloudy","icon":"partly-cloudy-night","nearestStormDistance":43,"nearestStormBearing":69,"precipIntensity":0,"precipProbability":0,"temperature":11.83,"apparentTemperature":6.07,"dewPoint":7.12,"humidity":0.81,"windSpeed":3.23,"windBearing":235,"visibility":7,"cloudCover":0.4,"pressure":1024.32,"ozone":319.86},"minutely":{"summary":"Partly cloudy for the hour.","icon":"partly-cloudy-night","data":[{"time":1481887440,"precipIntensity":0,"precipProbability":0},{"time":1481887500,"precipIntensity":0,"precipProbability":0},{"time":1481887560,"precipIntensity":0,"precipProbability":0},{"time":1481887620,"precipIntensity":0,"precipProbability":0},{"time":1481887680,"precipIntensity":0,"precipProbability":0},{"time":1481887740,"precipIntensity":0,"precipProbability":0},{"time":1481887800,"precipIntensity":0,"precipProbability":0},{"time":1481887860,"precipIntensity":0,"precipProbability":0},{"time":1481887920,"precipIntensity":0,"precipProbability":0},{"time":1481887980,"precipIntensity":0,"precipProbability":0},{"time":1481888040,"precipIntensity":0,"precipProbability":0},{"time":1481888100,"precipIntensity":0,"precipProbability":0},{"time":1481888160,"precipIntensity":0,"precipProbability":0},{"time":1481888220,"precipIntensity":0,"precipProbability":0},{"time":1481888280,"precipIntensity":0,"precipProbability":0},{"time":1481888340,"precipIntensity":0,"precipProbability":0},{"time":1481888400,"precipIntensity":0,"precipProbability":0},{"time":1481888460,"precipIntensity":0,"precipProbability":0},{"time":1481888520,"precipIntensity":0,"precipProbability":0},{"time":1481888580,"precipIntensity":0,"precipProbability":0},{"time":1481888640,"precipIntensity":0,"precipProbability":0},{"time":1481888700,"precipIntensity":0,"precipProbability":0},{"time":1481888760,"precipIntensity":0,"precipProbability":0},{"time":1481888820,"precipIntensity":0,"precipProbability":0},{"time":1481888880,"precipIntensity":0,"precipProbability":0},{"time":1481888940,"precipIntensity":0,"precipProbability":0},{"time":1481889000,"precipIntensity":0,"precipProbability":0},{"time":1481889060,"precipIntensity":0,"precipProbability":0},{"time":1481889120,"precipIntensity":0,"precipProbability":0},{"time":1481889180,"precipIntensity":0,"precipProbability":0},{"time":1481889240,"precipIntensity":0,"precipProbability":0},{"time":1481889300,"precipIntensity":0,"precipProbability":0},{"time":1481889360,"precipIntensity":0,"precipProbability":0},{"time":1481889420,"precipIntensity":0,"precipProbability":0},{"time":1481889480,"precipIntensity":0,"precipProbability":0},{"time":1481889540,"precipIntensity":0,"precipProbability":0},{"time":1481889600,"precipIntensity":0,"precipProbability":0},{"time":1481889660,"precipIntensity":0,"precipProbability":0},{"time":1481889720,"precipIntensity":0,"precipProbability":0},{"time":1481889780,"precipIntensity":0,"precipProbability":0},{"time":1481889840,"precipIntensity":0,"precipProbability":0},{"time":1481889900,"precipIntensity":0,"precipProbability":0},{"time":1481889960,"precipIntensity":0,"precipProbability":0},{"time":1481890020,"precipIntensity":0,"precipProbability":0},{"time":1481890080,"precipIntensity":0,"precipProbability":0},{"time":1481890140,"precipIntensity":0,"precipProbability":0},{"time":1481890200,"precipIntensity":0,"precipProbability":0},{"time":1481890260,"precipIntensity":0,"precipProbability":0},{"time":1481890320,"precipIntensity":0,"precipProbability":0},{"time":1481890380,"precipIntensity":0,"precipProbability":0},{"time":1481890440,"precipIntensity":0,"precipProbability":0},{"time":1481890500,"precipIntensity":0,"precipProbability":0},{"time":1481890560,"precipIntensity":0,"precipProbability":0},{"time":1481890620,"precipIntensity":0,"precipProbability":0},{"time":1481890680,"precipIntensity":0,"precipProbability":0},{"time":1481890740,"precipIntensity":0,"precipProbability":0},{"time":1481890800,"precipIntensity":0,"precipP I/digital_msg_board: From Json: America/Toronto E/AndroidRuntime: FATAL EXCEPTION: OkHttp Dispatcher Process: com.example.myyads, PID: 13564 java.lang.NullPointerException: id == null at java.util.TimeZone.getTimeZone(TimeZone.java:349) at com.example.myyads.CurrentWeather.getFormattedTime(CurrentWeather.java:95) at com.example.myyads.digital_msg_board.getCurrentDetails(digital_msg_board.java:132) at com.example.myyads.digital_msg_board.access$100(digital_msg_board.java:27) at com.example.myyads.digital_msg_board$1.onResponse(digital_msg_board.java:65) at okhttp3.RealCall$AsyncCall.execute(RealCall.java:135) at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) at java.lang.Thread.run(Thread.java:818) E/eglCodecCommon: **** ERROR unknown type 0x0 (glSizeof,73) E/eglCodecCommon: **** ERROR unknown type 0x0 (glSizeof,73) E/eglCodecCommon: **** ERROR unknown type 0x0 (glSizeof,73) I/art: Background sticky concurrent mark sweep GC freed 24187(1028KB) AllocSpace objects, 4(142KB) LOS objects, 29% free, 2MB/3MB, paused 98us total 122.768ms E/eglCodecCommon: glUtilsParamSize: unknow param 0x00000b44 E/eglCodecCommon: glUtilsParamSize: unknow param 0x00000bd0 E/eglCodecCommon: **** ERROR unknown type 0x0 (glSizeof,73) E/eglCodecCommon: **** ERROR unknown type 0x0 (glSizeof,73) E/eglCodecCommon: **** ERROR unknown type 0x0 (glSizeof,73)