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Getting this error while trying to upload my paper to the Springer journal.

But it builds fine on my system.

Any help?

  • @moewe tod: Is it U+2016 or U+2061? The tex error should indicate a line number. Do you have anything strange on that line? Some symbol you copy and pasted? – Teepeemm Apr 11 at 15:59
  • @Teepeemm it is U+2061 – tod Apr 11 at 16:01
  • U+2061 is FUNCTION APPLICATION that is an invisible zero width character intended to distinguish concatenation meaning function application from concatenation meaning multiplication,. You should be able to simply delete it. – David Carlisle Apr 11 at 16:06
  • @DavidCarlisle How can i delete it? I am using Winedt – tod Apr 11 at 16:16
  • just delete the line and retype that line for example, the full error message from the log shows you where the character is. – David Carlisle Apr 11 at 16:16
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U+2061 is FUNCTION APPLICATION that is an invisible zero width character intended to distinguish concatenation meaning function application from concatenation meaning multiplication,. You should be able to simply delete it.

If deleting it is hard then declare it to do nothing add this to the document preamble

\DeclareUnicodeCharacter{2061}{}
  • David "The Hammer!" Carlisle, (+1) – Steven B. Segletes Apr 11 at 16:10
  • @StevenB.Segletes can you suggest a better tex definition for a character defined to have no effect on visual output? :-) – David Carlisle Apr 11 at 16:11
  • I stand in full admiration. – Steven B. Segletes Apr 11 at 16:12
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    Would it be possible to do something like \DeclareUnicodeCharacter{2061}{X}, so that the output would show where the offending character is hiding? – Teepeemm Apr 11 at 17:45
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    @Teepeemm , yeah this works too. You could place any character in the brackets. – Doesbaddel Apr 11 at 17:52

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