OCI-65103
        UPGRADE cannot be specified for PDBs being open in READ ONLY mode
        
        
        Cause
        ALTER PLUGGABLE DATABASE ... OPEN UPGRADE was specified, but the root is open READ ONLY, so the specified PDBs will also be opened READ ONLY, and UPGRADE cannot be specified for PDBs being opened READ ONLY.
        Action
        Reissue the statement without specifying UPGRADE or reopen the root in READ WRITE mode and then reissue the statement.
        
     
    
    
        OCI-65103
        UPGRADE cannot be specified for PDBs being open in READ ONLY mode
        
        
        Cause
        ALTER PLUGGABLE DATABASE ... OPEN UPGRADE was specified, but the root is open READ ONLY, so the specified PDBs will also be opened READ ONLY, and UPGRADE cannot be specified for PDBs being opened READ ONLY.
        Action
        Reissue the statement without specifying UPGRADE or reopen the root in READ WRITE mode and then reissue the statement.
        
     
    
    
        OCI-65103
        UPGRADE cannot be specified for PDBs being open in READ ONLY mode
        
        
        Cause
        ALTER PLUGGABLE DATABASE ... OPEN UPGRADE was specified, but the root is open READ ONLY, so the specified PDBs will also be opened READ ONLY, and UPGRADE cannot be specified for PDBs being opened READ ONLY.
        Action
        Reissue the statement without specifying UPGRADE or reopen the root in READ WRITE mode and then reissue the statement.