SEVERE: Adb rejected adb port forwarding command: cannot bind to socket

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com.android.ddmlib.AdbCommandRejectedException: cannot bind to socket at com.android.ddmlib.AdbHelper.createForward(AdbHelper.java:767) at com.android.ddmlib.Device.createForward(Device.java:688) at com.android.chimpchat.adb.AdbChimpDevice.createManager(AdbChimpDevice.java:125) at com.android.chimpchat.adb.AdbChimpDevice.(AdbChimpDevice.java:71) at com.android.chimpchat.adb.AdbBackend.waitForConnection(AdbBackend.java:122) at com.android.chimpchat.ChimpChat.waitForConnection(ChimpChat.java:91) at de.nsvb.monkeyremote.MonkeyRemote.main(MonkeyRemote.java:102)

Exception in thread "main" java.lang.NullPointerException at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:210) at com.android.chimpchat.adb.AdbChimpDevice.(AdbChimpDevice.java:73) at com.android.chimpchat.adb.AdbBackend.waitForConnection(AdbBackend.java:122) at com.android.chimpchat.ChimpChat.waitForConnection(ChimpChat.java:91) at de.nsvb.monkeyremote.MonkeyRemote.main(MonkeyRemote.java:102)

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java -jar MonkeyRemote-0.4.jar "C:\Users\Jan\Downloads\Mtk_Droid_Tool_v2.5.3B\Mtk_Droid_Tool_v2.5.3B\adb\adb.exe" 0.5 This is the CMD command I used

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C:\Program Files (x86)\Java\jre1.8.0_251\bin>java -jar MonkeyRemote-0.4.jar "C:\adb\adb.exe" 0.5 Jun 18, 2020 8:00:07 PM com.android.chimpchat.adb.AdbChimpDevice createManager SEVERE: Adb rejected adb port forwarding command: cannot bind to socket com.android.ddmlib.AdbCommandRejectedException: cannot bind to socket at com.android.ddmlib.AdbHelper.createForward(AdbHelper.java:767) at com.android.ddmlib.Device.createForward(Device.java:688) at com.android.chimpchat.adb.AdbChimpDevice.createManager(AdbChimpDevice.java:125) at com.android.chimpchat.adb.AdbChimpDevice.(AdbChimpDevice.java:71) at com.android.chimpchat.adb.AdbBackend.waitForConnection(AdbBackend.java:122) at com.android.chimpchat.ChimpChat.waitForConnection(ChimpChat.java:91) at de.nsvb.monkeyremote.MonkeyRemote.main(MonkeyRemote.java:102)

Exception in thread "main" java.lang.NullPointerException at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:210) at com.android.chimpchat.adb.AdbChimpDevice.(AdbChimpDevice.java:73) at com.android.chimpchat.adb.AdbBackend.waitForConnection(AdbBackend.java:122) at com.android.chimpchat.ChimpChat.waitForConnection(ChimpChat.java:91) at de.nsvb.monkeyremote.MonkeyRemote.main(MonkeyRemote.java:102)

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Does a normal adb connection work?