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TypeError: this._addon is null ??

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nawras
nawras
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i am working on addon for Firefox when ever i try to test it on the browser it shows this error , but it is working

A promise chain failed to handle a rejection. Did you forget to '.catch', or did you forget to 'return'? See https://developer.mozilla.org/Mozilla/JavaScript_code_modules/Promise.jsm/Promise

Date: Wed Jun 01 2016 17:42:27 GMT+0400 (GST) Full Message: TypeError: this._addon is null

any advice

i am working on addon for Firefox when ever i try to test it on the browser it shows this error , but it is working A promise chain failed to handle a rejection. Did you forget to '.catch', or did you forget to 'return'? See https://developer.mozilla.org/Mozilla/JavaScript_code_modules/Promise.jsm/Promise Date: Wed Jun 01 2016 17:42:27 GMT+0400 (GST) Full Message: TypeError: this._addon is null any advice

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philipp
philipp
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hi nawras, support.mozilla.org is for enduser support. if you need help with addon developement you'll get better replies if you ask your question in the addons forum at https://discourse.mozilla-community.org/c/add-ons

thank you for your understanding!