The capacity of the network project file is as below.

1) GP2000/GLC2000/FGW: The size of the function parts after compiling the network project is less than 60 KByte
2) GP3000: The size of the function parts after compiling the network project is less than 256 KByte

In case not meeting the above conditions 1) and 2), an error will be occurred when compiling. Transferring the network project will be failed.

You can confirm the size by following [Tool] -> [Check Consistency].