Something wrong with image upload

[Gieller]

System information

AKASHA version: Web version
Operating System:
Web Browser (if applicable): Chrome 69.0.3497.100 64bits

Expected behaviour

Inserting image in article and a featured image

Actual behaviour

Cannot upload image in article (no upload window) and i cannot upload a featured image, i got an error message in return.

Error message :

Invariant Violation: Minified React error #31; visit https://reactjs.org/docs/error-decoder.html?invariant=31&args[]=ReferenceError%3A%20cctx%20is%20not%20defined&args[]= for the full message or use the non-minified dev environment for full errors and additional helpful warnings. 
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    in Connect(InjectIntl(t))
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    in DragDropContext(Connect(InjectIntl(t)))
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    in n