Caused by: java.lang.StringIndexOutOfBoundsException: length=0; regionStart=0; regionLength=1
                      at java.lang.String.startEndAndLength(String.java:298)
                      at java.lang.String.substring(String.java:1087)
                      at com.formitask.app.Graphics.CharacterColorCircle.getCharacterColorCircle(CharacterColorCircle.java:36)
                      at com.formitask.app.Activity.BaseActivity.addGroupToMenu(BaseActivity.java:146)
                      at com.formitask.app.Activity.BaseActivity.addGroupsToMenu(BaseActivity.java:168)
                      at com.formitask.app.Activity.BaseActivity.onCreate(BaseActivity.java:57)
                      at com.formitask.app.Activity.MyTasksActivity.onCreate(MyTasksActivity.java:55)
                      at android.app.Activity.performCreate(Activity.java:6876)
                      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1135)
                      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3207)
                      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3350)
                      at android.app.ActivityThread.access$1100(ActivityThread.java:222)
                      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1795)
                      at android.os.Handler.dispatchMessage(Handler.java:102)
                      at android.os.Looper.loop(Looper.java:158)
                      at android.app.ActivityThread.main(ActivityThread.java:7229)
                      at java.lang.reflect.Method.invoke(Native Method)
                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)