Unaligned memory access

The thread where it happens is "unknown” despite the fact I name all the threads I create. With addr2line I found that it is zephyr/kernel/timeout.c 56 but it says nothing to explain what I have to fix. all threads have sufficient stack size. 

randomly get the same problem as mentioned in the topic. If I comment/delete some part of my code this error pop ups. No, the part I delete is not in use when this error is happening. I just don’t understand what is the trigger and how to fix that

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