Solution:
Step1: Check ERA Live browser version updated or not. ERA Live browser version (22.6.1). If you don't have update browser, use this link: (https://fileshare.mkcl.org/index.php/s/NNQ5Jpt7cpzePFe) and download it.
Step2: Do system and browser cache clear.
Step3: Do Synchronization multiple times.
Step4: Do language change and click on refresh button then upload assignment once issue will get solved.
If issue persists, please generate the SOLAR ticket with following details.
Learner Code-(those are facing issue)
Screen shot of the issue-
Detail description.
Updated mobile number.