Improve error message when model file is missing #2041
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Summary
This PR improves the user experience when the specified ".gguf" model file is missing or the path is incorrect.
What Changed
try-except
block.Why It Matters
The previous behavior showed a confusing stack trace when the model file was not found. This update makes it clear that the issue is a missing or incorrect model path — saving users time and frustration.
Related Issue
Fixes #1381