LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.66 ...tropolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.498 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.649 ...opolitano_de_la_Calidad_del_Aire}{IMECAs}
                                                  
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.1113 ...opolitano_de_la_Calidad_del_Aire}{IMECA}
                                                  .