Hello @Luigi Ruiz Is this issue related Azure Synapse or Power BI, wanted to check the right Tag/
Based on the error message you provided, it seems that there is an issue with an external file named 'ed.Division' that is being accessed from the Synapse SQL pool.
May i ask if the file is corrupted or supported, or can we verify that by opening in any other application?
Please send us an email on this matter to investigate this issue deeper and help you with one-time support ticket.
Please send an email to azcommunity@microsoft.com with the below details, so that we can create a one-time-free support ticket for you to work closely on this matter.
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Subject : Attn Satish Boddu
Please let me know once you have done the same