i am getting an error even though i updated a photo in step 7 of business administration badge showing as couldn't find aphoto assigned for chatter group

Questions in the online community that included Salesforce superbadge solutions. Remember, when it comes to credentials, like superbadges, everyone should be working through these challenges without asking for the solution or help with specific error messages. If you ever find yourself needing help with a superbadge check out the Superbadge Challenge Help article (https://trailhead.salesforce.com/help?article=Superbadge-Challenge-Help).  Please raise the case https://trailhead.salesforce.com/help?support=mycases

You have to deactivate one user.