The pyinstaller settings icon appears“ struct.error : unpack requires a buffer of 16 bytes”

The Pyinstaller setting icon appears “struct.error: Unpack requires a Buffer of 16 Bytes”
Py
struct.error: unpack requires a buffer of 16 bytes
Use the online conversion tool ico to convert the image. You need to convert the
with the size 16*16. Use the online conversion tool to convert the image to ico