LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :
! Undefined control sequence.
\GenericError  ...                                
                                                    #4  \errhelp \@err@     ...
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :
! Undefined control sequence.
\GenericError  ...                                
                                                  \let \@err@               ...
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :
! Undefined control sequence.
\GenericError  ...                                
                                                  \@empty \def \MessageBreak...
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :
! Undefined control sequence.
\GenericError  ...                                
                                                     \endgroup 
l.1331 ...ÃÂ-Praks_solution}{Colebrook equation}
                                                  :