Dynamic Indexdefragmentation Loop

I have a couple of servers each with around 900 databasesa and need to do indexdeframentation on them.
The loop to database and loop for tables are fine. The problem is the loop for indexes and always return -1 for @@Fetch_status after open the cur_indfetch cursor as follows

select @sqlStringField = ' DECLARE cur_indfetch CURSOR FOR ' + ' SELECT indid FROM ' + @databaseName + '.dbo.sysindexes ' + ' WHERE id = OBJECT_ID (' + '''' + @TableName + ''''+ ') and keycnt > 0'
print @sqlStringField
exec master..sp_executesql @sqlStringField

OPEN cur_indfetch
FETCH NEXT FROM cur_indfetch INTO @indid
print ' before while @@FETCH_STATUS: ' + cast(@@FETCH_STATUS as varchar(5)) + ' @indid:' + cast(isnull(@indid, 0) as varchar(5))
WHILE @@FETCH_STATUS = 0
BEGIN
print ' Cursor 3--cur_indfetch--' + @databaseName + '--@tableName:' + @tableName + '--' + cast(@indid as varchar(7))
IF @indid <> 255
begin
DBCC INDEXDEFRAG (@databaseName, @TableName, @indid)
end
FETCH NEXT FROM cur_indfetch INTO @indid
END
CLOSE cur_indfetch
DEALLOCATE cur_indfetch

any idea?
thanks
David