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SIS error: "Invalid byte 1 of 1-byte UTF-8 sequence"

  • Product: Alma
  • Product Version: February 2016
  • Relevant for Installation Type: All



The SIS job ("Users SYNCHRONIZE using profile Student Information System") shows an error:


Invalid byte 1 of 1-byte UTF-8 sequence.




Check the input file for special characters (non-Latin diacritics). For example, try to open the file using XML Notepad, or another XML editor. It will signal any errors.


When a file is uploaded with special characters in XML, the special characters should be escaped as they are in HTML. This is also the case when uploading a bibliographic file via an import profile.


For example,
Instead of (Unicode Character 'RIGHTWARDS ARROW' (U+2192)), use HTML →


Please see demonstration of the solution, in the attached PDF file, or at:


Additional Information

To reload the file:

1. Click: Alma > Configuration Menu (under: ADMINISTRATION > General Configuration)
2. Click: Integration Profiles
3. Click: Student Information System
4. Select the "Actions" tab
5. In the "Synchronize" section click: Run


  • Article last edited: 08-FEB-2016