Making a new projectile

[King Beowulf]

Basically what I am trying to achieve is to create a new projectile id which only the British Rangers will use (trying to make them have super long range attacks and only them) but I tried it out and empire keeps crashing once I try it and I must be doing something wrong.

In order of what I did: I went into projectile_tables and cloned musket_rifle and edited the new name to musket_rifle_elite and changed the stats on it.

I then went to unit_stats_land_tables and went to euro_rangers and changed the projectile id on the rangers to musket_rifle_elite

What am I doing wrong? Please help someone!

[OneManShow]

sometimes when u clone a line then save, some columns become empty. Re-open ur projectiles table and check if every column=original column