Certain Files: Use of uninitialized value $v2_field

[twtonicr]

Ubuntu 18.04.2

Certain files result in an error:

lltag --mp3v2 --show-tags album 01___Neverwhere_1_London_Below.mp3 
01___Neverwhere_1_London_Below.mp3:
Use of uninitialized value $v2_field in string eq at /usr/share/perl5/Lltag/MP3v2.pm line 64.
Use of uninitialized value $v2_field in string eq at /usr/share/perl5/Lltag/MP3v2.pm line 64.
Use of uninitialized value $v2_field in string eq at /usr/share/perl5/Lltag/MP3v2.pm line 64.
Use of uninitialized value $v2_field in exists at /usr/share/perl5/Lltag/MP3v2.pm line 81.
Use of uninitialized value $v2_field in uc at /usr/share/perl5/Lltag/MP3v2.pm line 84.
  ALBUM=Neverwhere

Others are OK:

lltag --mp3v2 --show-tags album 01_Cluster_One__Pink_Floyd.mp3 
01_Cluster_One__Pink_Floyd.mp3:
ALBUM=The Division Bell

Problem file: https://file.io/jmJwU5