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After pulling from the tutorials/solutions/add-a-pallet, The build process with cargo gives an error.

cargo build --release See error Expected vs. Actual Behavior The build process is not complete.

Environment Operating system: Linux/Ubuntu Brach: tutorials/solutions/add-a-pallet Rust version : 1.24.3 Logs, Errors or Screenshots

error: failed to get frame-benchmarking as a dependency of package node-template v4.0.0-dev (/home/ubuntu/source/repos/substrate-node-template/node)

Caused by: failed to load source for dependency frame-benchmarking

Caused by: Unable to update https://github.com/paritytech/substrate.git?tag=devhub/latest#352c46a6

Caused by: object not found - no match for id (352c46a648a5f2d4526e790a184daa4a1ffdb3bf); class=Odb (9); code=NotFound (-3)

1 Answer 1

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The error means that you have an inconsistency somewhere in one of your cargo manifests (Cargo.toml files).

It is requesting the Benchmarking pallet, but it is not included. Would would need to give much more detail about what you are doing though.

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  • I updated the cargo files with polkadot-v0.9.12 branch. and run again cargo build --release.The error occurs again. Mar 29, 2022 at 6:23
  • You can get branch origin/tutorials/solutions/add-a-pallet and build the project And see what happens. Mar 29, 2022 at 6:26

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