Error in CARET package for CART modelling

I am building a CART model and i got thie error while trying to predict on my test data:
"Error in eval(predvars, data, env) : object 'credit_colCHF' not found" . Now there is no column name in my dataset called "credit_colCHF" but i have a column name "credit_col" so how did this even get there?

What is the composition of predvars?

i dont know what predvars is


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