I am getting the following error message:
The required imsmanifest.xml file not found or is not in the zip root. Please check if your SCORM package is correct and if the problem persist report the error message to the help desk team.
The Lms is right, this is a very classic thing that might happen after Publishing an Lo
I guess You zipped it manually, and you must have included a folder too much in your package.
The result is that the manifest is not in the zip file, but under a folder included in the .zip file
Try re-zipping it correctly or even better let storyline take care of zipping the package after Publishing it, and everything will work correctly