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you have not assigned the mcu type . try rebuilding after selecting the thing.
here i'v attached everything..What you want to say in this part of text "i'v took schematic and firmware from the internet, in that firmware hex file is not there so i'v tried to compile the MPLAB project file it is showing some error.." ?
What circuit did you use ?
Try this project material you have all inside :
why do we need EEPROM??