Accessing non-existent property 'messages'

[gigaga]

Hi,

there is a warning when I executed my app :

(node:8652) Warning: Accessing non-existent property 'messages' of module exports inside circular dependency
    at emitCircularRequireWarning (internal/modules/cjs/loader.js:650:11)
    at Object.get (internal/modules/cjs/loader.js:664:5)
    at Object.<anonymous> (D:\Developpement\openapi-dev-tool\node_modules\json-validator\matchers.js:1:42)
    at Module._compile (internal/modules/cjs/loader.js:1063:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)
    at Module.load (internal/modules/cjs/loader.js:928:32)
    at Function.Module._load (internal/modules/cjs/loader.js:769:14)
    at Module.require (internal/modules/cjs/loader.js:952:19)
    at require (internal/modules/cjs/helpers.js:88:18)
    at Object.<anonymous> (D:\Developpement\openapi-dev-tool\node_modules\json-validator\app.js:13:16)

Regards,