2024-07-22 18:57:30.521 17503-17547 ProfileInstaller        com.example.clase09kotlin            D  Installing profile for com.example.clase09kotlin
2024-07-22 18:57:43.500 17503-17503 AndroidRuntime          com.example.clase09kotlin            D  Shutting down VM
2024-07-22 18:57:43.503 17503-17503 AndroidRuntime          com.example.clase09kotlin            E  FATAL EXCEPTION: main
                                                                                                    Process: com.example.clase09kotlin, PID: 17503
                                                                                                    kotlin.NotImplementedError: An operation is not implemented: Not yet implemented
                                                                                                    	at com.example.clase09kotlin.MainActivity$onCreate$4.beforeTextChanged(MainActivity.kt:48)
                                                                                                    	at android.widget.TextView.sendBeforeTextChanged(TextView.java:10485)
                                                                                                    	at android.widget.TextView.access$1300(TextView.java:342)
                                                                                                    	at android.widget.TextView$ChangeWatcher.beforeTextChanged(TextView.java:13367)
                                                                                                    	at android.text.SpannableStringBuilder.sendBeforeTextChanged(SpannableStringBuilder.java:1257)
                                                                                                    	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:536)
                                                                                                    	at androidx.emoji2.text.SpannableBuilder.replace(SpannableBuilder.java:315)
                                                                                                    	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:507)
                                                                                                    	at androidx.emoji2.text.SpannableBuilder.replace(SpannableBuilder.java:305)
                                                                                                    	at androidx.emoji2.text.SpannableBuilder.replace(SpannableBuilder.java:49)
                                                                                                    	at android.view.inputmethod.BaseInputConnection.replaceText(BaseInputConnection.java:843)
                                                                                                    	at android.view.inputmethod.BaseInputConnection.setComposingText(BaseInputConnection.java:616)
                                                                                                    	at android.view.inputmethod.InputConnectionWrapper.setComposingText(InputConnectionWrapper.java:142)
                                                                                                    	at com.android.internal.view.IInputConnectionWrapper.executeMessage(IInputConnectionWrapper.java:393)
                                                                                                    	at com.android.internal.view.IInputConnectionWrapper$MyHandler.handleMessage(IInputConnectionWrapper.java:89)
                                                                                                    	at android.os.Handler.dispatchMessage(Handler.java:107)
                                                                                                    	at android.os.Looper.loop(Looper.java:214)
                                                                                                    	at android.app.ActivityThread.main(ActivityThread.java:7356)
                                                                                                    	at java.lang.reflect.Method.invoke(Native Method)
                                                                                                    	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
                                                                                                    	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
2024-07-22 18:57:43.523 17503-17503 Process                 com.example.clase09kotlin            I  Sending signal. PID: 17503 SIG: 9
---------------------------- PROCESS ENDED (17503) for package com.example.clase09kotlin ----------------------------
2024-07-22 18:57:43.688  2021-2110  InputDispatcher         system_server                        E  channel 'd7ab048 com.example.clase09kotlin/com.example.clase09kotlin.MainActivity (server)' ~ Channel is unrecoverably broken and will be disposed!
 - que es este error?