Uncaught TypeError: Cannot read properties of null (reading 'style') at sc_exib_ocult_pag

Hi,
i have a problem when enter to the form, but locally it doesn’t happen.

jquery.js:2 Uncaught TypeError: Cannot read properties of null (reading 'style')
at sc_exib_ocult_pag ((índice):11939:63)
at scFocusField ((índice):8494:9)
at HTMLDocument.<anonymous> ((índice):11415:3)
at e (jquery.js:2:30158)
at t (jquery.js:2:30460)

this line

document.getElementById('form_requerimiento_cabeza_form1').style.width='1px';

thanks !