M365 – SharePoint Online – SPFX – resolved error of gulp package –solution: “The webparts manifests list is empty. Please ensure you have done a build and that your config file is pointed at the correct folder”

Understand the difference between gulp bundle and gulp bundle --ship M365 - SharePoint Online - SPFX - resolved error of 'gulp package --solution': "The webparts manifests list is empty. Please ensure you have done a build and that your config file is pointed at the correct folder"

Office 365 – SharePoint Online – SPFX issue in webpart.manifests.json – WebPart Id – String does not match the pattern of “^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$”

Office 365 - SharePoint Online - SPFX issue in webpart.manifests.json - WebPart Id - String does not match the pattern of "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"