Results not appearing: "RuntimeError: index out of bounds"

[grantibrees]

I've tried changing the inputs in various ways and using different browsers, but the site seems to be broken. Looking at the console, there is a ticker going up continually under "RuntimeError: index out of bounds", and also the error

Error: Could not load the source for https://mtgoncurve.com/5562e9bd877a70397e5d.module.wasm.
Error: WebAssembly binary source is not available
Stack: _getSourceText@resource://devtools/server/actors/source.js:233:20
source@resource://devtools/server/actors/source.js:526:51
handler@resource://devtools/shared/protocol/Actor.js:196:37
onPacket@resource://devtools/server/devtools-server-connection.js:371:58
_onMessage@resource://devtools/shared/transport/worker-transport.js:107:18
Line: 233, column: 20 [Actor.js:110:15](resource://devtools/shared/protocol/Actor.js)
    writeError resource://devtools/shared/protocol/Actor.js:110
    handler resource://devtools/shared/protocol/Actor.js:242

I'd love to use this tool! But currently it's broken.