According to some discussions on various forums, it appears there are two possible causes to the first error: you are using a different browser other than Internet Explorer. If you have something to do with browsers, switch to Internet explorer or use the package in the LMS only or any other LMS enabled application.
For second error, access the following website which explains the process of working with SCORM and packages: https://docs.moodle.org/31/en/Creating_SCORM_Content