Solved
Hi,
https://support.ptc.com/help/creo/creo_pma/r11.0/usascii/index.html#page/fundamentals/fundamentals/fundamentals_configuration_options.html page contains following information
regen_solid_before_save
prompt*, force, yes, no
Controls the regeneration of the model
•prompt*—Displays the Conflicts dialog box. The Conflicts dialog box informs you that the model is not regenerated.
•force—Regenerates all the features.
•yes—Regenerates the unregenerated features.
•no—Does not regenerate the features.
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