Within a library, we have a column that is Managed Metadata. When uploading the user chooses a number from a list of options. The Library is also grouped by these numbers. What has happened is that a single document was uploaded before i could change the
numbering within the term store on the server. So the document still shows the old number and not the new number. How can this number be changed to show the new number?
behind the scenes there is a hidden list per site collection where all managed metadata information is stored and the column values just lookup Information from there. From your description it seems that this list was not updated when you changed the values
in the managed metadata Service application. If this sounds about right to you, just try out the steps from the following Blog article: