Somethings not right... and it could be me.

[thisguy23]

as you can see even trying to run the helloworld results in a failed flash. any thoughts or help would be great. love the projects!

[hackgnar]

This and issue #7 are likely duplicates... See issue #7 for a possible resolution

[aprx]

The message in ASSERT.TXT is saying that the boot-loader can't flash the new hex file. There is a fixed issue on the DAPLink project that describe a mishandling of flashing address in the boot-loader. You can flash version 0254 of DAPLink by using the file 0254_kl26z_microbit_0x8000.hex available in the zip file, and follow the procedure described here. It solved the issue for me.

[nabilbendafi]

Same issue with Model 1.5
Flashing version https://github.com/ARMmbed/DAPLink/releases/tag/v0254 as mentioned above

The message in ASSERT.TXT is saying that the boot-loader can't flash the new hex file. There is a fixed issue on the DAPLink project that describe a mishandling of flashing address in the boot-loader. You can flash version 0254 of DAPLink by using the file 0254_kl26z_microbit_0x8000.hex available in the zip file, and follow the procedure described here. It solved the issue for me.

fixes it.
@virtualabs I guess that we can close this issue ?