What can i do for this

Try selecting the train on the siding again.

it didnt work

I'm going to need more information than that... what mods do you have installed? What have you tried? What did you do in your siding?

i installed thats mods

i didnt anything. just i made a train system and after i started system and this is the result

is the siding set to unlimited?

Try to rechoose the train.

Duplicate of #401. Does this still persist in the latest version?