|-
|<code>FOCX22</code>
|An invalid certificate alias is specified. Added to the official specification.|-|<code>FOCX24</code>|The algorithm is invalid. Added to the official specification.|-|<code>FOCX25</code>|Signature cannot be processed. Added to the official specification.|-|<code>FOCX26</code>|Keystore cannot be processed. Added to the official specification.|-|<code>FOCX27</code>|An I/O Exception occurred. Added to the official specification.|-|<code>FOCX28</code>|The decryption specified signature type is not supported. Added to the official specification.
|}