You have to do this from the database.

  • First, you have to know the fieldname, in this case, it is “rel_id”

  • Go to vtiger_field table and search this field to get the fieldid, for example 1994

  • After that, you have to get to vtiger_fieldmodulerel, search this fieldid and you will see something like the next image, where you have to change the sequence to order the values:


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