1. Paul-Peter Jakobi
  2. Matukio
  3. Monday, 23 May 2016
  4.  Subscribe via email
Hallo zusammen,
wenn ich im Backend unter Buchungen einen Rechnungsausdruck erzeugen möchte, erhalte ich folgende Fehlermeldung:

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TCPDF ERROR: Some data has already been output, can't send PDF file
Die gleiche Fehlermeldung erhalte ich, wenn ich ein Zertifikat erstellen möchte (Zertifikat als Anhang)

Viele Grüße
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