📅  最后修改于: 2022-03-11 14:50:22.758000             🧑  作者: Mango
# The error code 15 is 1111 bit. Finally, we can know the meaning of 1111 as follows:
01111
^^^^^
||||+---> bit 0
|||+----> bit 1
||+-----> bit 2
|+------> bit 3
+-------> bit 4