warning: barcheck failed at: -5/8... but... WHERE?

[Alberto Simões]

Hello

I am having a strange error about barchecks.
Current version of the document is at
http://eremita.di.uminho.pt/~ambs/piano+voz.ly

(please select in the browser encoding as utf8).

If anyone can help, I would appreciate.
My output follows bellow.

Thank you
Alberto

------
GNU LilyPond 2.12.1
Processing `piano+voz.ly'
Parsing...
Interpreting music... [8]
piano+voz.ly:61:32: warning: barcheck failed at: -5/8
        a4. a8 gis4 fis
                                |
piano+voz.ly:62:32: warning: barcheck failed at: -5/8
        e2 ~ e8[ dis] cis[ dis]
                                |
piano+voz.ly:92:30: warning: barcheck failed at: -5/8
        cis8[ b] cis4 b4 a4 ~
                              |
piano+voz.ly:93:30: warning: barcheck failed at: -5/8
        fis2 b4 b4
                              |
Preprocessing graphical objects...
Interpreting music...
piano+voz.ly:61:32: warning: barcheck failed at: -5/8
        a4. a8 gis4 fis
                                |
piano+voz.ly:62:32: warning: barcheck failed at: -5/8
        e2 ~ e8[ dis] cis[ dis]
                                |
piano+voz.ly:92:30: warning: barcheck failed at: -5/8
        cis8[ b] cis4 b4 a4 ~
                              |
piano+voz.ly:93:30: warning: barcheck failed at: -5/8
        fis2 b4 b4
                              |


-- 
Alberto Simões - Departamento de Informática - Universidade do Minho
                 Campus de Gualtar - 4710-057 Braga - Portugal