Couldn't role on items in new Rabanastre raid - but didn't receive one either

[everlong]

GM told me to fill a bug report on that topic - although i don't think that this is a bug...

Our alliance raid killed the first boss in the new Rabanastre raid and i rolled for an item - but didn't receive it. Then after killing the next boss and wanting to roll again, a message with "you can only roll once per week" or so appeared.

When submitting a bug report, please use the below template and thoroughly fill out the necessary information.

Date & Time: 10.10.2017, ~14:30
Frequency: Once
World name: Lich
Character name: Ever Gloom
Retainer name: -
NPC name: -
Monster name: -
Class/Level: Dragon Level 70
Party or solo: Alliance raid
In-game time: ?
Area and coordinates: The Royal City of Rabanastre
Housing: -
Steps:
1. Second boss was killed
2. Loot window showed up
3. Tried to role on loot
4. Message like "you can only receive one item per week" appeared
5. Checked inventory and armory chest for potentially received loot - nothing found
*Add more steps if necessary

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- Type of internet connection/provider: DSL via cabel/Telekom (Germany)
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SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
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SYSTEM_GRAPHICS_DAC Internal
SYSTEM_GRAPHICS_DISPLAY_MODE 1366 x 768 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
SYSTEM_GRAPHICS_DRIVER_VERSION 10.18.0010.4425
SYSTEM_GRAPHICS_DRIVER_DATE 14.01.2017 21:23:56
SYSTEM_GRAPHICS_DRIVER_LANGUAGE Englisch
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_GRAPHICS Intel(R) HD Graphics 4000
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY2
SYSTEM_GRAPHICS_CHIP Intel(R) HD Graphics Family
SYSTEM_GRAPHICS_MAKER Intel Corporation
SYSTEM_GRAPHICS_VRAM 32.000 MB
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SYSTEM_GRAPHICS_DAC Internal
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SYSTEM_GRAPHICS_DRIVER_VERSION 10.18.0010.4425
SYSTEM_GRAPHICS_DRIVER_DATE 14.01.2017 21:23:56
SYSTEM_GRAPHICS_DRIVER_LANGUAGE Englisch
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND Lautsprecher (Realtek High Definition Audio)
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SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.6798
SYSTEM_SOUND_DRIVER_LANGUAGE Englisch
SYSTEM_SOUND_DRIVER_DATE 11.12.2012 14:53:08
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Maus
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SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Tastatur
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SYSTEM_INPUT {FA896760-79B1-11E6-8002444553540000}
SYSTEM_INPUT_NAME UMDF HID minidriver Device
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {FA898E70-79B1-11E6-8003444553540000}
SYSTEM_INPUT_NAME USB Gaming Mouse
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SYSTEM_INPUT {FA89DC90-79B1-11E6-8004444553540000}
SYSTEM_INPUT_NAME USB Gaming Mouse
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-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-


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