Not the OP, but seeing as this is still not fixed...

Platform: Windows
ISP: Comcast
Type of Internet Connection: Broadband Cable
Internet Connection Speed: 25Mbps
Date & Time: Every Day
Frequency: Every Time
Character Name: All Chars
Race: All races
World: Besaid
Class/Skill Rank: Lancer All ranks
Physical Level: All Phys levels
Area and Coordinates: Everywhere
Party or Solo: Both
NPC Name: N/a
Monster Name: N/a
In-Game Time: All the time
Steps: Attempt to set Lancer skill Pierce to action bar via macro command
1. Command line - /eaction # "Pierce" fails, no matter which action slot is designated
2. Macro line - /eaction # "Pierce" fails, no matter which action slot is designated
3. Sad lancer is sad.