How can I fix it?

[Vivienne]

Have a look here:

Rust Wasm __getrandom_custom

I am trying to get proptest, a property-testing library in Rust, to compile and run from within a canister. It has a dependency on getrandom, and I assume that because getrandom is being compiled for a Wasm environment, it expects a __getrandom_custom import from the host environment. I get the following error when trying to deploy a canister with that uses proptest: Installing canisters... Upgrading code for canister graphql, with canister_id rrkah-fqaaa-aaaaa-aaaaq-cai The invocation to the w…

Issue about generate random string Panicked at 'could not initialize thread_rng: getrandom: this target is not supported'

Reject text: Canister ryjl3-tyaaa-aaaaa-abbba-cai trapped explicitly: Panicked at ‘could not initialize thread_rng: getrandom: this target is not supported’, /Users/xxxx/.cargo/registry/src/github.com-1ecc6299db9ec823/rand-0.7.3/src/rngs/thread.rs:65:17 dependencies: rand = “0.7.3” getrandom = { version = “0.2.6”, features = [“js”]} “dfx”: “0.9.3”, I refered to previous solution, it doesn’t work. Does anyone know how to solve it?