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If there is a problem with a PDF file you're trying to decrypt, APDFPR displays an error message, e.g.
Can't open file C:\My documents\report.pdf. Error 105
The following error codes are defined:
| Error code | Error description | ||
| 0 | PDFERR_OK | No errors | |
| 1 | PDFERR_NO_STARTXREF | No reference to objects table | |
| 2 | PDFERR_BAD_STARTXREF | Invalid reference to objects table | |
| 3 | PDFERR_NOREF | No objects table | |
| 4 | PDFERR_BAD_XREF | Invalid objects table | |
| 5 | PDFERR_NO_TRAILER | No document trailer | |
| 6 | PDFERR_BAD_TRAILER | Invalid document trailer | |
| 7 | PDFERR_NO_OBJ | Cannot find object | |
| 8 | PDFERR_BAD_OBJ | Invalid object format | |
| 9 | PDFERR_NO_ENDOBJ | Cannot find the end of the object | |
| 10 | PDFERR_UNEXPECTED_LEX | Unexpected lexem encountered | |
| 11 | PDFERR_NAME_EXPECTED | No name | |
| 12 | PDFERR_NO_TRAILER_DICT | No trailer dictionary | |
| 13 | PDFERR_NO_STREAM_DICT | No stream dictionary | |
| 14 | PDFERR_NO_STREAM_LEN | No stream length | |
| 15 | PDFERR_BAD_STREAM_LEN | Invalid format of stream length | |
| 16 | PDFERR_NO_ENDSTREAM | Cannot find the end of the stream | |
| 20 | PDFERR_NO_LEX | Lexem not found | |
| 21 | PDFERR_UNK_LEX | Unknown lexem encountered | |
| 30 | PDFERR_BAD_NUMBER | Invalid number format | |
| 31 | PDFERR_BAD_STRING | Invalid string format | |
| 32 | PDFERR_BAD_HEXSTR | Invalid hexadecimal string format | |
| 33 | PDFERR_BAD_NAME | Invalid name format | |
| 34 | PDFERR_BAD_KEYWORD | Invalid keyword format | |
| 35 | PDFERR_UNK_KEYWORD | Unknown keyword | |
| 101 | PDFERR_ALREADY_OPENED | Document already loaded | |
| 102 | PDFERR_CANT_OPEN | Cannot open document | |
| 103 | PDFERR_CANT_CREATE_MAP | Cannot map file | |
| 104 | PDFERR_CANT_MAP_VIEW | Cannot view file map | |
| 105 | PDFERR_NO_HEADER | No PDF file header | |
| 1001 | PDFERR_NO_ENCRYPT | Document is not encrypted | |
| 1002 | PDFERR_NO_PDEF | Document is not loaded | |
| 1003 | PDFERR_BAD_REF | Wrong reference to Encryption Object | |
| 1004 | PDFERR_BAD_OBJ | Invalid Encryption Object | |
| 1005 | PDFERR_WRONG_FILTER | Unsupported Encryption Filter | |
| 1006 | PDFERR_WRONG_VER | Unsupported Encryption Version | |
| 1007 | PDFERR_WRONG_REV | Unsupported Encryption Revision | |
| 1008 | PDFERR_WRONG_OWNER | Invalid OwnerKey format | |
| 1009 | PDFERR_WRONG_USER | Invalid UserKey format | |
| 1010 | PDFERR_WRONG_PERM | Invalid Permissions format | |
| 1011 | PDFERR_NO_ID | Cannot find DocumentID | |
| 1012 | PDFERR_BAD_ID | Invalid DocumentID format |