Getting error: Failed to evaluate snap bundle in SES.

[javaspeak]

Am getting an error:

✖ Failed to evaluate snap bundle in SES. This is likely due to an incompatibility with the SES environment in your snap.
Received the following error from the SES environment:

[TypeError <Object <Object <[Object: null prototype] {}>>>: Cannot delete property 'toString' of function () { [native code] }
at Jn.exports (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:32497)
at eval (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:32538)
at 5655 (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:1380105)
at t (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:1446303)
at 8638 (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:1440654)
at t (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:1446303)
at eval (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:1446835)
at Object.eval (eval at (eval at makeEvaluate (/Users/johndickerson/GITLAB/utu-metamask-snap/node_modules/ses/dist/ses.cjs:6141:27)), :1:1446942)
at

I have in package.json of the snap:

"dependencies": {
"@metamask/snaps-types": "^2.0.0",
"@metamask/snaps-ui": "^2.0.0",
"@ututrust/web-components": "2.1.4",
"buffer": "^6.0.3"
},

Notice the line: "@ututrust/web-components": "2.1.4"

This is one of my libraries I want to use.

The code that is causing the problem is:

  const authData: AuthData = signAndGetToken(provider);

signAndGetToken(..) function is imported:

import { AuthData, signAndGetToken } from '@ututrust/web-components';

Are we allowed to import libraries in the package.json of the snap?

The error is hard to understand.

Any help much appreciated.

[Montoya]

It is possible that @ututrust/web-components is not compatible with SES. You can look into if it is possible to patch it, here is a guide: https://docs.metamask.io/snaps/how-to/troubleshoot/#patch-dependencies