Table 'loca' does not exist (Android)

Hello,

For generating PDFs from text input by user on Android I am using the
systems TTF files found in /system/fonts . This works fine for
generating Chinese or Arab documents, but is raising an error, if the
user uses emojs available in a font called NotoColorEmoji.ttf .

The stacktrace is:

09-13 23:15:35.244: E/DEBUG(25717): ExceptionConverter:
com.itextpdf.text.DocumentException: Table 'loca' does not exist in
/system/fonts/NotoColorEmoji.ttf
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.TrueTypeFontSubSet.readLoca(TrueTypeFontSubSet.java:260)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.TrueTypeFontSubSet.process(TrueTypeFontSubSet.java:135)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.TrueTypeFont.getSubSet(TrueTypeFont.java:1160)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.TtfUnicodeWriter.writeFont(TtfUnicodeWriter.java:83)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.TrueTypeFontUnicode.writeFont(TrueTypeFontUnicode.java:348)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.FontDetails.writeFont(FontDetails.java:383)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.PdfWriter.addSharedObjectsToBody(PdfWriter.java:1373)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.PdfWriter.close(PdfWriter.java:1264)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.pdf.PdfDocument.close(PdfDocument.java:882)
09-13 23:15:35.244: E/DEBUG(25717): 	at
com.itextpdf.text.Document.close(Document.java:416)

Is this a bug in itext or a problem with the font ?

Best regards,

Michael

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