The current version of the user_config_instr.ini file (which enables the use of flexible standards classes) is attached to this article.
If you have added instruments to your copy of the file, you will need to merge the changes with this new version.
Version information:
; $Revision: 35724 $
; $Date: 2018-10-08 08:49:34 -0700 (Mon, 08 Oct 2018) $