mastarm bulid faild, Cannot read property 'environments' of null

[alishan305]

Hello,

Can anyone help me what i am doing worng, when i am buliding i am getting below error,

if (object.environments && object.environments[environment]) {
^

TypeError: Cannot read property 'environments' of null
at overrideWithEnvironment (D:\dosafar - lab\nodejs\nodejs\node_modules\mastarm\lib\load-config.js:52:14)
at load (D:\dosafar - lab\nodejs\nodejs\node_modules\mastarm\lib\load-config.js:17:10)
at Object. (D:\dosafar - lab\nodejs\nodejs\node_modules\mastarm\bin\mastarm-build:29:16)
at Module._compile (internal/modules/cjs/loader.js:816:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:827:10)
at Module.load (internal/modules/cjs/loader.js:685:32)
at Function.Module._load (internal/modules/cjs/loader.js:620:12)
at Function.Module.runMain (internal/modules/cjs/loader.js:877:12)
at internal/main/run_main_module.js:21:11