Error when backing up from SQL Server 2014 to Azure blob storage

I'm trying to back up a SQL Server 2014 database to Azure blob storage. However, I'm getting the below error when trying to do so. > A nonrecoverable I/O error occurred on file > "https://mystorageaccount.blob.core.windows.net/mycontainer/MyDB.bak :" > Backup to URL received an exception from the remote endpoint. > Exception Message: The remote server returned an error: (403) > Forbidden.. Initially, I assumed I'd made a mistake with either the credential, the name of either the Storage Account, or the Container. However, when I tried backing up a database from a SQL Server 2019 instance, it worked fine. I've spent several hours trying to find a solution and I've made no no further progress. So, I'm looking for a bit of help.