TypeError: forward() got an unexpected keyword argument 'masked_lm_labels'

[FirstGalacticEmpire]

learner.fit(epochs=1, r=6e-5, validate=True, # Evaluate the model after each epoch schedule_type="warmup_cosine", optimizer_type="lamb")

Hi, following the official tutorial ("Language Model Fine-tuning) , i get the following error presented in screenshot, while running .fit function.