For some reason, I am unable to unlock the Piercing Sidearm mod even though I have a mod unlock available... Has this happened to anyone else? Is it a bug that has a work-around, or is Bungie working to fix this? Thanks for any help! [spoiler]Moderator edit: This thread has been moved to the #Help forum where you can find answers and troubleshoot any Destiny in-game/bungie.net/companion app issues, courtesy of other helpful players and Mentors. Feel free to private message the moderator who moved your post, link to topic, for further clarification about why this topic was moved.[/spoiler]