plz help I dont know what the problem is
Sketch uses 21624 bytes (67%) of program storage space. Maximum is 32256 bytes.Global variables use 910 bytes (44%) of dynamic memory, leaving 1138 bytes for local variables. Maximum is 2048 bytes.avrdude: ser_open(): can't set com-state for "\\.\COM4"
avrdude: verification error, first mismatch at byte 0x0000 0x62 != 0x0c
avrdude: ser_open(): can't open device "\\.\COM5": The system cannot find the file specified.
I would need some help