Error webassembly.compile

[luidiva]

I got this error on Edge browser:

WebAssembly.Compile is disallowed on the main thread, if the buffer size is larger than 4KB.
Use webassembly.compile, or compile on a worker thread. at instantiateSync (encoderWorker.min.js:1:367554)

Any suggestions?
Thank you

[chris-rudmin]

First thing I would try is a rebuild from sources using latest emscripten.