Hi Nikos, You app's logs shows errors similar to:
methodName: "google.appengine.v1.Versions.CreateVersion" "status: { code: 3 details: [ 0: { @type: "type.googleapis.com/google.rpc.BadRequest" fieldViolations: [ 0: { description: "Value "dist/\1$" must be a valid regular expression. Details: invalid escape sequence." field: "version.handlers[0].static_files.upload_path_regex" } ] } ] message: "The request is invalid." } } receiveTimestamp: "2018-07-30T10:03:55.483948799Z" resource: { labels: { module_id: "default" project_id: "***********" version_id: "20180730t110349" } type: "gae_app" } severity: "ERROR" timestamp: "2018-07-30T10:03:55.109Z" } This seems to point towards an error in your code; worthwhile investigating. In any case, for a proper in-depth investigation, you are at an advantage posting your issue in the Public Issue Tracker <https://issuetracker.google.com/>. Confidential communication can easily be set up, to avoid publicly revealing details such as your project ID; you can easily follow all developments and solutions on thread. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/ed90f45e-2e29-442b-9bbd-bad30a3c0f96%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.