Loading the craft, editing and saving it does not help, the changed value persists.
The ModuleCommand (or any other module which is used for experiments and storing the results) has to be replaced in VAB or the value has to be changed with a text editor inside the craft file.
Example:
After saving the craft file initially (or normalliy editing in VAB and overwriting it) the part which is ModuleCommand contains:
... which renders the part useless.
Loading the craft, editing and saving it does not help, the changed value persists.
The ModuleCommand (or any other module which is used for experiments and storing the results) has to be replaced in VAB or the value has to be changed with a text editor inside the craft file.
Example:
After saving the craft file initially (or normalliy editing in VAB and overwriting it) the part which is ModuleCommand contains:
and after editing it with KCT it's