I am using version 25.2.1 of GroupDocs.Conversion. When I attempt To convert a ICO file To PDF, I get the following stack trace:
java.lang.RuntimeException: class com.groupdocs.conversion.Exceptions.FileTypeNotSupported…...exceptions.FileTypeNotSupported: Can...jpg, jpeg, png, gif, bmp, ico, psd, wmf, emf, dcm, dicom, webp,...