I was working with the arduino and when i uploaded a code so it displayed-
Arduino: 1.8.2 (Windows 7), Board: "Arduino Leonardo"
WARNING: Category 'Real-time clock' in library DS3231 is not valid. Setting to 'Uncategorized'
Sketch uses 4112 bytes (14%) of program storage space. Maximum is 28672 bytes.
Global variables use 147 bytes (5%) of dynamic memory, leaving 2413 bytes for local variables. Maximum is 2560 bytes.
Found programmer: Id = ""; type =
What could be the possible reason for this??
What can I do???