Hi @sns ,
Use this Powershell ,then refresh the page. It will change the maximum storage for onedrive for this user.
#Parameters
$TenantAdminURL = "https://domian-admin.sharepoint.com"
$OneDriveSiteURL = "https://domian-my.sharepoint.com/personal/xyza_domian_onmicrosoft_com"
#Connect to Admin Center
Connect-SPOService -Url $TenantAdminURL -Credential (Get-Credential)
#Increase OneDrive site storage space
Set-SPOSite -Identity $OneDriveSiteURL -StorageQuota 6144 #6GB
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.