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If you may at times receive a message stating “Registration successful - License renewal successful. Note that previous license existed for this device code which used different Android ID. That license has been disabled and can not be renewed (123)”. This typically occurs when your device as received an Android update that has caused a change to its Android ID. It can also occur if you uninstall and re-install MobileMap (not recommended but sometimes necessary for major releases or upgrade from a much older release), rather than simply upgrading.
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