Completed a fishing log location, wrong area "checked off"

[Rognis]

Time: 9pm CST on October 13th
Frequency: When I completed the log, I logged in this morning and "The Vein" was checked properly
World name: Sargatanas
Character name: Rognis Vornel
NPC name: n/a
Monster name: n/a
Class/Level: Fisher 31
Party or solo: Solo
In-game time: 10:14 P.M.
Area and coordinates: Central shroud, Coordinates on image map
Steps:
1. Complete fishing log for "The Vein" in Central shroud.
2. Open fishing log for Central Shroud.
3. See fishing log improperly marked.



Connection Specs
- Type of internet connection/provider: Comcast
- Modem maker/model number: Comcast

PC Specs
-=-=-=-=- System Information -=-=-=-=-
Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.130828-1532)
Language: English (Regional Setting: English)
System Manufacturer: System manufacturer
System Model: System Product Name
BIOS: BIOS Date: 05/07/12 10:45:41 Ver: 34.02
Processor: Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz (8 CPUs), ~3.4GHz
Memory: 8192MB RAM
Available OS Memory: 8160MB RAM
Page File: 6312MB used, 10004MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7601.17514 64bit Unicode
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Laptop Model Name: n/a
Laptop Model Number: n/a

Gamepad Manufacturer: n/a
Gamepad Model Name: n/a
Gamepad Part Number: n/a

Browser Information
- Name and version of the browser currently in-use: Google Chrome Version 30.0.1599.69 m
- Internet Explorer Version: The latest update as of October 13th

[LazyMerc]

Yeah, I've seen that also. After some digging around, I discovered that your location and the marked location are both connected (try following the water). So the game considers both locations the same body of water. They just happen to mark the center of that long body of water.