Failed to submit mobile publishing request "Submission failed due to an unspecified error"Issue When attempting to submit a new app request, the error message 'Failed to submit request: Submission failed due to an unspecified error. Please refresh your browser page and try again.' is displayed. FactsThe details of the error can be observed in the failed transaction shown in the "Network" tab of the developer toolReleaseAllCauseZip file extension is not allowed to be attached to documents in the affected instance.ResolutionAdd the zip extension to the system property glide.attachment.extensions.