Also got this problem with gnome-phone-manager version 0.69 Ubuntu 18.04
andy@Dylan:~$ gnome-phone-manager
(gnome-phone-manager:18615): Bluetooth-CRITICAL **: 17:03:40.879: bluetooth_chooser_button_set_property: assertion 'str == NULL || bluetooth_verify_address (str)' failed ** Message: 17:03:40.908: New connection device is empty (not changed) ** Message: 17:03:40.909: New connection device is empty (not changed) ** Message: 17:03:40.909: No device! ** Message: 17:03:40.909: Exiting connect thread ** Message: 17:04:00.891: Auto-retrying the connection ** Message: 17:04:00.891: New connection device is empty (not changed) ** Message: 17:04:00.892: New connection device is empty (not changed) ** Message: 17:04:00.892: No device! ** Message: 17:04:00.893: Exiting connect thread ** Message: 17:04:20.898: Auto-retrying the connection ** Message: 17:04:20.898: New connection device is empty (not changed) ** Message: 17:04:20.899: New connection device is empty (not changed) ** Message: 17:04:20.899: No device! ** Message: 17:04:20.900: Exiting connect thread ** Message: 17:04:40.909: Auto-retrying the connection ** Message: 17:04:40.909: New connection device is empty (not changed) ** Message: 17:04:40.910: New connection device is empty (not changed) ** Message: 17:04:40.910: No device! ** Message: 17:04:40.911: Exiting connect thread ** Message: 17:05:00.910: Auto-retrying the connection ** Message: 17:05:00.910: New connection device is empty (not changed) ** Message: 17:05:00.911: New connection device is empty (not changed) ** Message: 17:05:00.911: No device! ** Message: 17:05:00.912: Exiting connect thread ** Message: 17:05:20.910: Auto-retrying the connection ** Message: 17:05:20.910: New connection device is empty (not changed) ** Message: 17:05:20.911: New connection device is empty (not changed) ** Message: 17:05:20.911: No device! ** Message: 17:05:20.912: Exiting connect thread ** Message: 17:05:40.909: Auto-retrying the connection ** Message: 17:05:40.910: New connection device is empty (not changed) ** Message: 17:05:40.910: New connection device is empty (not changed) ** Message: 17:05:40.910: No device! ** Message: 17:05:40.912: Exiting connect thread ** Message: 17:06:00.909: Auto-retrying the connection ** Message: 17:06:00.910: New connection device is empty (not changed) ** Message: 17:06:00.910: New connection device is empty (not changed) ** Message: 17:06:00.910: No device! ** Message: 17:06:00.911: Exiting connect thread
Also got this problem with gnome-phone-manager version 0.69 Ubuntu 18.04
andy@Dylan:~$ gnome-phone-manager
(gnome- phone-manager: 18615): Bluetooth-CRITICAL **: 17:03:40.879: bluetooth_ chooser_ button_ set_property: assertion 'str == NULL || bluetooth_ verify_ address (str)' failed
** Message: 17:03:40.908: New connection device is empty (not changed)
** Message: 17:03:40.909: New connection device is empty (not changed)
** Message: 17:03:40.909: No device!
** Message: 17:03:40.909: Exiting connect thread
** Message: 17:04:00.891: Auto-retrying the connection
** Message: 17:04:00.891: New connection device is empty (not changed)
** Message: 17:04:00.892: New connection device is empty (not changed)
** Message: 17:04:00.892: No device!
** Message: 17:04:00.893: Exiting connect thread
** Message: 17:04:20.898: Auto-retrying the connection
** Message: 17:04:20.898: New connection device is empty (not changed)
** Message: 17:04:20.899: New connection device is empty (not changed)
** Message: 17:04:20.899: No device!
** Message: 17:04:20.900: Exiting connect thread
** Message: 17:04:40.909: Auto-retrying the connection
** Message: 17:04:40.909: New connection device is empty (not changed)
** Message: 17:04:40.910: New connection device is empty (not changed)
** Message: 17:04:40.910: No device!
** Message: 17:04:40.911: Exiting connect thread
** Message: 17:05:00.910: Auto-retrying the connection
** Message: 17:05:00.910: New connection device is empty (not changed)
** Message: 17:05:00.911: New connection device is empty (not changed)
** Message: 17:05:00.911: No device!
** Message: 17:05:00.912: Exiting connect thread
** Message: 17:05:20.910: Auto-retrying the connection
** Message: 17:05:20.910: New connection device is empty (not changed)
** Message: 17:05:20.911: New connection device is empty (not changed)
** Message: 17:05:20.911: No device!
** Message: 17:05:20.912: Exiting connect thread
** Message: 17:05:40.909: Auto-retrying the connection
** Message: 17:05:40.910: New connection device is empty (not changed)
** Message: 17:05:40.910: New connection device is empty (not changed)
** Message: 17:05:40.910: No device!
** Message: 17:05:40.912: Exiting connect thread
** Message: 17:06:00.909: Auto-retrying the connection
** Message: 17:06:00.910: New connection device is empty (not changed)
** Message: 17:06:00.910: New connection device is empty (not changed)
** Message: 17:06:00.910: No device!
** Message: 17:06:00.911: Exiting connect thread