solana-transaction-error is used at run time in 123 crates (of which 1 optionally). It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 7 crates.

Depender (with downloads and own rev deps) solana-transaction-error version
1.1M 546 solana-program =2.1.0
1.1M 611 solana-sdk optional =2.1.0
2 solana-signer ^2.1.0