21 Jul 2020 12:53
PdfProcessing: KeyNotFoundException is thrown when symbolic font with predefined encoding
In PDF, symbolic font programs, such as ZapfDingbats, have built-in encodings that are usually unique to each font, and ordinary their encoding cannot be overridden. When importing a document using a symbolic font with defined encoding, which overrides the build-in encoding, a KeyNotFoundException: 'The given key was not present in the dictionary.', is thrown.