Change8
Error3 reports

Fix RuntimeError

in PyTorch

Solution

RuntimeError in PyTorch often arises when operations encounter invalid input values or conditions during execution, particularly in compiled or optimized code paths like those generated by `torch.compile`. To fix this, add explicit input validation checks (e.g., using `torch.clamp` or assertions) before the problematic operation to ensure data falls within the expected range or satisfies required conditions. If the error occurs due to fake tensor propagation, ensure that all necessary operators are defined for the custom tensor type when tracing.

Timeline

First reported:May 25, 2026
Last reported:May 26, 2026

Need More Help?

View the full changelog and migration guides for PyTorch

View PyTorch Changelog
Fix RuntimeError in PyTorch | Change8