Finetuning a model using Autotrain error :(

Hey guys! I’m getting this error message on logs while finetuning my model ":x: ERROR | 2024-03-27 04:31:20 | autotrain.trainers.common:wrapper:93 - train has failed due to an exception: Traceback (most recent call last):
File “/app/env/lib/python3.10/site-packages/autotrain/trainers/”, line 90, in wrapper
return func(*args, **kwargs)
File “/app/env/lib/python3.10/site-packages/autotrain/trainers/clm/”, line 281, in train
if model_ref is not None:
UnboundLocalError: local variable ‘model_ref’ referenced before assignment

:x: ERROR | 2024-03-27 04:31:20 | autotrain.trainers.common:wrapper:94 - local variable ‘model_ref’ referenced before assignment
:rocket: INFO | 2024-03-27 04:31:20 | autotrain.trainers.common:pause_space:51 - Pausing space…"

1-here is a snippet of my csv file:
You always seem so serious. Smile more!,“Hmph, as if my face is any of your business.”,
2-I’m using the free version (on CPU)
3- the picture uploaded shows more details about my very basic parameters and the task (the is LLM reward, model is gpt2, also tried mistral 7b)