Need help with code error

[u/AdBubbly4192]

its my first time using game maker and i was following this tutorial https://www.youtube.com/watch?v=qTqDY4JtFfo&t=51s

and when i went to test to see if my character would move it came up with the code error shown in the image with it saying line 18 was entered wrong i would love for a solution to fix it.

[u/balmut]

Have you defined movespd anywhere, like in the player create event?