Unexpected token / in JSON at position 58

[metawrap-dev]

If I run nyc I get the error

Unexpected token / in JSON at position 58

Expected Behavior

It executes.

Observed Behavior

Unexpected token / in JSON at position 58

Environment

System:
OS: Linux 4.19 Ubuntu 20.04.1 LTS (Focal Fossa)
CPU: (4) x64 Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
Memory: 1.38 GB / 7.70 GB
Binaries:
Node: 14.3.0 - ~/.nvm/versions/node/v14.3.0/bin/node
Yarn: 1.13.0 - /mnt/c/Users/james/AppData/Roaming/npm/yarn
npm: 6.14.7 - ~/.nvm/versions/node/v14.3.0/bin/npm
npmPackages:
@babel/cli: ^7.10.5 => 7.10.5
@babel/core: ^7.10.5 => 7.10.5
@babel/plugin-transform-async-to-generator: ^7.10.4 => 7.10.4
@babel/plugin-transform-runtime: ^7.10.5 => 7.10.5
@babel/polyfill: ^7.10.4 => 7.10.4
@babel/preset-env: ^7.10.4 => 7.10.4
@babel/runtime: ^7.10.5 => 7.10.5
@types/source-map-support: ^0.5.2 => 0.5.2
babel-plugin-source-map-support: ^2.1.2 => 2.1.2
grunt-babel: ^8.0.0 => 8.0.0
grunt-mocha-istanbul: ^5.0.2 => 5.0.2
nyc: ^15.1.0 => 15.1.0
remap-istanbul: ^0.13.0 => 0.13.0
source-map-support: ^0.5.19 => 0.5.19
ts-node: ^8.10.2 => 8.10.2
typescript: ^3.9.7 => 3.9.7

[coreyfarrell]

You have a broken JSON file that is needed to start nyc. This is not a bug in nyc.

[jpSimkins]

Just to help out others that are new to nyc, this is most likely due to copying the example .nycrc file and you need to remove the comments as there are no comments allowed in json.