error[E0583]: file not found for module sys

cargo 1.73.0-nightly (7e9de3f4e 2023-08-13) rustc 1.73.0-nightly (180dffb 2023-08-14)

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1 Answer 1


This has been fixed here: how to solve the sys error in substrate polkadot branch (polkadot-v0.9.43), just add in your Cargo.toml default-features = false when importing the pallet_session

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