ans validator errors-out

[lvignals]

using master branch to run
$npm install
results in warnings:

npm WARN Invalid version: "1.10.7.1"
npm WARN ans-schema No description
npm WARN ans-schema No repository field.
npm WARN ans-schema No README data
npm WARN ans-schema No license field.

attempting validation with:
$npm run-script ans -- --ansfile=src/a-story.json --version=0.10.8 validate
of a-story.json story file results in:

npm ERR! Invalid version: "1.10.7.1"

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/arcxp/.npm/_logs/2021-05-19T01_02_22_923Z-debug.log

The log file contains:

0 info it worked if it ends with ok
1 verbose cli [ '/home/arcxp/.nvm/versions/node/v10.17.0/bin/node',
1 verbose cli   '/home/arcxp/.nvm/versions/node/v10.17.0/bin/npm',
1 verbose cli   'run-script',
1 verbose cli   'ans',
1 verbose cli   '--',
1 verbose cli   '--ansfile=src/a-story.json',
1 verbose cli   '--version=0.10.8',
1 verbose cli   'validate' ]
2 info using npm@6.11.3
3 info using node@v10.17.0
4 verbose stack Error: Invalid version: "1.10.7.1"
4 verbose stack     at Object.fixVersionField (/home/arcxp/.nvm/versions/node/v10.17.0/lib/node_modules/npm/node_modules/normalize-package-data/lib/fixer.js:191:13)
4 verbose stack     at /home/arcxp/.nvm/versions/node/v10.17.0/lib/node_modules/npm/node_modules/normalize-package-data/lib/normalize.js:32:38
4 verbose stack     at Array.forEach (<anonymous>)
4 verbose stack     at normalize (/home/arcxp/.nvm/versions/node/v10.17.0/lib/node_modules/npm/node_modules/normalize-package-data/lib/normalize.js:31:15)
4 verbose stack     at final (/home/arcxp/.nvm/versions/node/v10.17.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:428:5)
4 verbose stack     at then (/home/arcxp/.nvm/versions/node/v10.17.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:161:5)
4 verbose stack     at /home/arcxp/.nvm/versions/node/v10.17.0/lib/node_modules/npm/node_modules/read-package-json/read-json.js:382:12
4 verbose stack     at /home/arcxp/.nvm/versions/node/v10.17.0/lib/node_modules/npm/node_modules/graceful-fs/graceful-fs.js:115:16
4 verbose stack     at FSReqWrap.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:53:3)
5 verbose cwd /home/arcxp/LVI/github/arcxp/arc-xp/ans-schema
6 verbose Linux 5.4.0-73-generic
7 verbose argv "/home/arcxp/.nvm/versions/node/v10.17.0/bin/node" "/home/arcxp/.nvm/versions/node/v10.17.0/bin/npm" "run-script" "ans" "--" "--ansfile=src/a-story.json" "--version=0.10.8" "validate"
8 verbose node v10.17.0
9 verbose npm  v6.11.3
10 error Invalid version: "1.10.7.1"
11 verbose exit [ 1, true ]

I tried using node 12 and node 10 and got the same errors in both cases.

I imagine that it is something others have run into already, any help in getting the local ans validator working would be greatly appreciated, I just need to validate a few story documents locally.

Thank you