Erratum to ‘Nonlinear dynamics of hidden modes in a system with internal symmetry’ [J. Sound Vib. 377 (2016) 185–215](S0022460X16002492)(10.1016/j.jsv.2016.03.020)

The publisher regrets omitting the corrections as follows: 1) Page 3 (187), Section 3, omitted parentheses in the second line in the first paragraph following Eq. (7). The correct equation should read: [formula omitted] 11) Page 29 (213), first row after Eq. (E.12), the reference should be to Eqs. (E.11), (E.12) and not to (inexistent) Eqs. (E2.6), (E2.7).The publisher would like to apologise for any inconvenience caused.