We have an O365-based workflow and list/form that works fine in development environment but errors out in test environment.
Error: Activity in progress. Retrying last request. Next attempt scheduled after 12/2/2016 4:09 PM. Details of last request: HTTP NotFound to https://our url/sites/nintexqa/_api/web/lists(guid'7e574d34-1012-4cee-94f0-92b74de48867')/Items(21)?%24select=ID%2CID Correlation Id: 91ec84ed-bd3e-6ff8-9570-7ccf291118fa Instance Id: 60e60ceb-d6db-4939-bcf5-0ed94d14de89. Item does not exist. It may have been deleted by another user.
Where shown above, "/nintexqa/" is our test environment.