Reinstall original files and application on Thingy91

I bought a thingy91 module with ibasis scheduler on board. When I made the first installation of the mfw_nrf9160_1.3.1.zip software and the thingy91_asset_tracker_v2_ltem_2022-02-17_ec486dab.hex application, the board after switching on showed the correct lighting of the leds.
The Ibasi sim unfortunately does not work in Italy so I was unable to connect to the cloud.

Later I made some attempts with other applications to verify the operation.
I have now received new 1Nce cards which should work in Italy.


Before mounting the card I tried to restore the original firmware.
The installation of mfw_nrf9160_1.3.1.zip was successful.
But now when I try to program the thingy91_asset_tracker_v2_ltem_2022-02-17_ec486dab.hex application
I have this error message:

Can I solve it ? 

Thanks in advance for support.

Silvano

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