Output of /bin/tar cf - -T- ... -> encme.tar.gpg: Encryption failed.

Input error: Error while running /bin/tar:
/bin/tar: -: file name read contains nul character
/bin/tar: The following options were used after any non-optional arguments in archive create or update mode. These options are positional and affect only arguments that follow them. Please, rearrange them properly.
/bin/tar: --null has no effect
/bin/tar: Exiting with failure status due to previous errors