Attempt a call nil value (global 'setblipcolour')

Please i need help for it
Note : client.lua don’t have any functions about blips (all of this codes in server.lua as seen in the screenshot)

SetBlipColour doesn’t exist serverside. Only on the client.

You mean i have to cut all of that to client side right ?

Yep u have to send a data of you weed position to client side.
After that u have to write a code for using client create a blip and set it color !