Error: Callback was already called.

[kklinan]

$ node index.js "swagger.json"
[ 'swagger.json' ]
one
done
/home/XXX/Workspaces/open/swagger-to-PDF/node_modules/phantomjs-pdf/node_modules/async/dist/async.js:844
if (fn === null) throw new Error("Callback was already called.");
^
Error: Callback was already called.
at /home/XXX/Workspaces/open/swagger-to-PDF/node_modules/phantomjs-pdf/node_modules/async/dist/async.js:844:36
at /home/XXX/Workspaces/open/swagger-to-PDF/node_modules/phantomjs-pdf/node_modules/async/dist/async.js:3676:17
at /home/XXX/Workspaces/open/swagger-to-PDF/node_modules/phantomjs-pdf/node_modules/async/dist/async.js:339:31
at /home/XXX/Workspaces/open/swagger-to-PDF/node_modules/phantomjs-pdf/lib/phantomjs-pdf.js:119:8
at FSReqWrap.wrapper as oncomplete

[simonstewart]

kklinan

Were you able to find a resolution?