Errors
Description The micro:bit's I2C bus is not working; the device might be physically damaged. Resolution Inspect the micro:bit for any visible damag...
Tue, 28 Oct, 2025 at 4:37 PM
Description There is no free memory on the micro:bit. Your program might be too complex or contain too many variables. Resolution Try reducing your c...
Tue, 28 Oct, 2025 at 5:07 PM
Description Corruption found in the micro:bit heap space, which typically stores variables. Resolution You might want to try transferring a differen...
Tue, 28 Oct, 2025 at 5:23 PM
Description The micro:bit can't execute the script properly. This is usually a MakeCode program error caused by incorrect code or an out-of-date extens...
Tue, 28 Oct, 2025 at 5:28 PM
Description The micro:bit can't execute the script properly. Resolution Download a different .hex file to the micro:bit, then attempt to transfer...
Tue, 28 Oct, 2025 at 5:40 PM
Description An error occurred with the micro:bit's radio component. Resolution Check the micro:bit for any visible damage, such as missing or disl...
Tue, 28 Oct, 2025 at 5:49 PM
Description An error occurred with the micro:bit's accelerometer component. Resolution Check the micro:bit for any physical damage, ie a missing co...
Thu, 21 Feb, 2019 at 3:42 PM
Description An error occurred with the micro:bit's magnetometer component. Resolution Check the micro:bit for any physical damage, ie a missing com...
Thu, 21 Feb, 2019 at 3:43 PM
Description Assertion failed. A MakeCode error that occurs when the condition in an assert was false. Resolution This is an error introduced through u...
Mon, 2 Dec, 2019 at 10:21 AM
You might see an ASSERT.TXT appear on the MICROBIT drive if there has been a problem with flashing a program over USB. It might appear on its own, or along...
Wed, 15 Sep, 2021 at 2:01 PM