Large mSE for random forest

I am at lesson lesson 7 and am doing the random forest code along however wy MSE is extremely large … any help please, been cracking my head
Code and output :

Try normalizing. You left that proc out. IE: procs = [FillMissing, Normalize, Categorify]

hmm didnt seem to work sir …

would there be any alternatives?

Sir

after setting dep_var = ‘SalePrice’ , i forgot to take the log of the value … silly me