Encode file not found

[slowas]

Hey, i have issue with error:

WiFiManagerGUI:477:3: error: 'Encoder' does not name a type Encoder myEnc(KY040_CLK_INPUT, KY040_DT_INPUT); C:\xampp\htdocs\esp\WiFiManagerGUI\access_points.ino: In function 'int loop_access_points()': access_points:135:26: error: 'myEnc' was not declared in this scope long newPosition = myEnc.read() C:\xampp\htdocs\esp\WiFiManagerGUI\connect.ino: In function 'int loop_connect()':