Well that was easy. As can be seen in
there needs to be a macro activated to enable the Wire1 creation. Per docs that can be added using
build_flags = -DTWI_USING_WIRE1
in the platformio.ini.
Adding that the the above file makes the firmware compile without any problems.
Linking .pio\build\AVR128DB48\firmware.elf
Checking size .pio\build\AVR128DB48\firmware.elf
Advanced Memory Usage is available via "PlatformIO Home > Project Inspect"
RAM: [= ] 5.9% (used 974 bytes from 16384 bytes)
Flash: [ ] 5.0% (used 6534 bytes from 131072 bytes)
Building .pio\build\AVR128DB48\firmware.hex
==================== [SUCCESS] Took 2.87 seconds ====================