1.Navigate to form and look for WHEN-NEW-FORM-INSTANCE
2.Search for command
FDRCSID('$Header: YOUR_FMB_NAME.fmb 120.0 2017/05/26 00:00 DEVELOPER-NAME ship $');
Once you have FDRCSID done , Navigate to Shell (UNIX/LINUX) , and execute below command
adident Header YOUR_FORM.fmb
<< make sure you type Header and not HEADER >>