Caspar Client async server event[:5250]

Hey there,
i am having this issue with my client since yesterday, anytime i boot it up it instantly closes again beacuse of a “async server event”.

I have searched alot on this forum but couldnt find the issue of my problem any of you know the fix?

Server output:

Environment variable ERRORLEVEL 0 not defined
Type "q" to close application.
Logging [info] or higher severity to log\

[2021-01-10 14:16:50.557] [info]    ############################################################################
[2021-01-10 14:16:50.557] [info]    CasparCG Server is distributed by the Swedish Broadcasting Corporation (SVT)
[2021-01-10 14:16:50.557] [info]    under the GNU General Public License GPLv3 or higher.
[2021-01-10 14:16:50.557] [info]    Please see LICENSE.TXT for details.
[2021-01-10 14:16:50.557] [info]    http://www.casparcg.com/
[2021-01-10 14:16:50.557] [info]    ############################################################################
[2021-01-10 14:16:50.557] [info]    Starting CasparCG Video and Graphics Playout Server 2.3.0 a4a7c053 Dev
[2021-01-10 14:16:50.688] [info]    Initializing OpenGL Device.
[2021-01-10 14:16:50.694] [info]    Initialized OpenGL 4.5.0 NVIDIA 456.71 NVIDIA Corporation
[2021-01-10 14:16:50.696] [info]    Initialized ffmpeg module.
[2021-01-10 14:16:50.696] [info]    Initialized oal module.
[2021-01-10 14:16:50.696] [info]    Initialized decklink module.
[2021-01-10 14:16:50.696] [info]    Initialized screen module.
[2021-01-10 14:16:50.696] [info]    Initialized newtek module.
[0110/141650.714:ERROR:gpu_process_transport_factory.cc(990)] Lost UI shared context.
[2021-01-10 14:16:50.733] [info]    Initialized html module.
[2021-01-10 14:16:50.733] [warning] Flash is no longer a recommended way of creating dynamic templates. Adobe have declared flash end-of-life at the end of 2020, and we cannot guarantee it will continue to work in any version after that time.
[2021-01-10 14:16:50.733] [warning] All support for flash templates will be removed in a future release of CasparCG
[2021-01-10 14:16:50.768] [info]    Initialized flash module.
[2021-01-10 14:16:50.769] [info]    Initialized bluefish module.
[2021-01-10 14:16:50.769] [info]    Initialized image module.
[2021-01-10 14:16:50.769] [info]    "D:/CasparCG 2020\CasparCG Server Nieuw\casparcg.config":
[2021-01-10 14:16:50.769] [info]    -----------------------------------------
[2021-01-10 14:16:50.769] [info]    <?xml version="1.0" encoding="utf-8"?>
[2021-01-10 14:16:50.769] [info]    <configuration>
[2021-01-10 14:16:50.769] [info]       <paths>
[2021-01-10 14:16:50.769] [info]          <media-path>D:\CasparCG 2020\Caspar Library</media-path>
[2021-01-10 14:16:50.769] [info]          <log-path>log\</log-path>
[2021-01-10 14:16:50.769] [info]          <data-path>data\</data-path>
[2021-01-10 14:16:50.769] [info]          <template-path>templates\</template-path>
[2021-01-10 14:16:50.769] [info]          <thumbnails-path>thumbnails\</thumbnails-path>
[2021-01-10 14:16:50.769] [info]       </paths>
[2021-01-10 14:16:50.769] [info]       <mixer>
[2021-01-10 14:16:50.769] [info]          <blend-modes>false</blend-modes>
[2021-01-10 14:16:50.769] [info]          <straight-alpha>false</straight-alpha>
[2021-01-10 14:16:50.769] [info]          <chroma-key>false</chroma-key>
[2021-01-10 14:16:50.769] [info]          <mipmapping_default_on>false</mipmapping_default_on>
[2021-01-10 14:16:50.769] [info]       </mixer>
[2021-01-10 14:16:50.769] [info]       <flash>
[2021-01-10 14:16:50.769] [info]          <enabled>true</enabled>
[2021-01-10 14:16:50.769] [info]          <buffer-depth>auto</buffer-depth>
[2021-01-10 14:16:50.769] [info]       </flash>
[2021-01-10 14:16:50.769] [info]       <channels>
[2021-01-10 14:16:50.769] [info]          <channel>
[2021-01-10 14:16:50.769] [info]             <video-mode>1080i5000</video-mode>
[2021-01-10 14:16:50.769] [info]             <consumers>
[2021-01-10 14:16:50.769] [info]                <decklink>
[2021-01-10 14:16:50.769] [info]                   <device>2</device>
[2021-01-10 14:16:50.769] [info]                   <embedded-audio>true</embedded-audio>
[2021-01-10 14:16:50.769] [info]                   <latency>default</latency>
[2021-01-10 14:16:50.769] [info]                   <channel-layout>passthru</channel-layout>
[2021-01-10 14:16:50.769] [info]                   <keyer>internal</keyer>
[2021-01-10 14:16:50.769] [info]                   <buffer-depth>1</buffer-depth>
[2021-01-10 14:16:50.769] [info]                   <key-only>false</key-only>
[2021-01-10 14:16:50.769] [info]                   <key-device>device - 1</key-device>
[2021-01-10 14:16:50.769] [info]                </decklink>
[2021-01-10 14:16:50.769] [info]             </consumers>
[2021-01-10 14:16:50.769] [info]          </channel>
[2021-01-10 14:16:50.769] [info]          <channel>
[2021-01-10 14:16:50.769] [info]             <video-mode>1080i5000</video-mode>
[2021-01-10 14:16:50.769] [info]             <consumers>
[2021-01-10 14:16:50.769] [info]                <decklink>
[2021-01-10 14:16:50.769] [info]                   [mono|stereo|dts|dolbye|dolbydigital|smpte|passthru]--&gt;
[2021-01-10 14:16:50.769] [info]                   <device>3</device>
[2021-01-10 14:16:50.769] [info]                   <embedded-audio>true</embedded-audio>
[2021-01-10 14:16:50.769] [info]                   <latency>default</latency>
[2021-01-10 14:16:50.769] [info]                   <channel-layout>stereo</channel-layout>
[2021-01-10 14:16:50.769] [info]                   <keyer>default</keyer>
[2021-01-10 14:16:50.769] [info]                   <buffer-depth>auto</buffer-depth>
[2021-01-10 14:16:50.769] [info]                   <key-only>false</key-only>
[2021-01-10 14:16:50.769] [info]                </decklink>
[2021-01-10 14:16:50.769] [info]             </consumers>
[2021-01-10 14:16:50.769] [info]          </channel>
[2021-01-10 14:16:50.769] [info]       </channels>
[2021-01-10 14:16:50.769] [info]       <controllers>
[2021-01-10 14:16:50.769] [info]          <tcp>
[2021-01-10 14:16:50.769] [info]             <port>5250</port>
[2021-01-10 14:16:50.769] [info]             <protocol>AMCP</protocol>
[2021-01-10 14:16:50.769] [info]          </tcp>
[2021-01-10 14:16:50.769] [info]       </controllers>
[2021-01-10 14:16:50.769] [info]    </configuration>
[2021-01-10 14:16:50.769] [info]    -----------------------------------------
[2021-01-10 14:16:50.779] [info]    Initialized OpenGL Accelerated GPU Image Mixer for channel 1
[2021-01-10 14:16:50.779] [info]    video_channel[1|1080i5000] Successfully Initialized.
[2021-01-10 14:16:50.780] [info]    Initialized OpenGL Accelerated GPU Image Mixer for channel 2
[2021-01-10 14:16:50.780] [info]    video_channel[2|1080i5000] Successfully Initialized.
[2021-01-10 14:16:50.807] [info]    DeckLink Duo 2 [1-2|1080i5000] Enabled embedded-audio.
[2021-01-10 14:16:50.807] [info]    DeckLink Duo 2 [1-2|1080i5000] Disabled low-latency mode.
[2021-01-10 14:16:50.807] [info]    DeckLink Duo 2 [1-2|1080i5000] Enabled internal keyer.
[2021-01-10 14:16:50.810] [info]    DeckLink Duo 2 [1-2|1080i5000] Initialized.
[2021-01-10 14:16:50.843] [info]    DeckLink Duo 2 [2-3|1080i5000] Enabled embedded-audio.
[2021-01-10 14:16:50.843] [info]    DeckLink Duo 2 [2-3|1080i5000] Disabled low-latency mode.
[2021-01-10 14:16:50.843] [error]   DeckLink Duo 2 [2-3|1080i5000] Failed to enable external keyer.
[2021-01-10 14:16:50.848] [info]    DeckLink Duo 2 [2-3|1080i5000] Initialized.
[2021-01-10 14:16:50.848] [info]    Initialized channels.
[2021-01-10 14:16:50.849] [info]    Initialized controllers.
[2021-01-10 14:16:50.849] [info]    Initialized osc.
[2021-01-10 14:16:50.910] [info]    DeckLink Duo 2 [1-2|1080i5000] Reference signal: not detected.
[2021-01-10 14:16:50.920] [info]    DeckLink Duo 2 [2-3|1080i5000] Reference signal: not detected.

And the error message:

[2021-01-10 15:05:11.384] [info]    Initialized channels.
[2021-01-10 15:05:11.385] [info]    Initialized controllers.
[2021-01-10 15:05:11.385] [info]    Initialized osc.
[2021-01-10 15:05:11.455] [info]    DeckLink Duo 2 [1-2|1080i5000] Reference signal: not detected.
[2021-01-10 15:05:11.464] [info]    DeckLink Duo 2 [2-3|1080i5000] Reference signal: not detected.
[2021-01-10 15:05:14.627] [info]    async_event_server[:5250] Accepted connection from 127.0.0.1 (1 connections).
[2021-01-10 15:05:14.666] [info]    Received message from 127.0.0.1: VERSION SERVER\r\n
[2021-01-10 15:05:14.666] [info]    Sent message to 127.0.0.1:201 VERSION OK\r\n2.3.0 a4a7c053 Dev\r\n
[2021-01-10 15:05:14.667] [info]    Received message from 127.0.0.1: INFO\r\n
[2021-01-10 15:05:14.667] [info]    Sent message to 127.0.0.1:200 INFO OK\r\n1 1080i5000 PLAYING\r\n2 1080i5000 PLAYING\r\n\r\n
[2021-01-10 15:05:14.667] [info]    Received message from 127.0.0.1: CLS\r\n
[2021-01-10 15:05:14.668] [info]    Received message from 127.0.0.1: TLS\r\n
[2021-01-10 15:05:14.669] [info]    Received message from 127.0.0.1: DATA LIST\r\n
[2021-01-10 15:05:14.670] [info]    Received message from 127.0.0.1: THUMBNAIL LIST\r\n
[2021-01-10 15:05:16.034] [info]    async_event_server[:5250] Client 127.0.0.1 disconnected (0 connections).

Hi
async_event_server[:5250] Client 127.0.0.1 disconnected isn’t really an error. It is an information, that the client disconnected. You get the same message if you close the client manually.
I didn’t find a way to run the client in cmd in WIndows, so debugging is quite limited. I can only suggest trying different version of client.

After some more digging on the internet I managed to find the issue. The database of the server was way to full, pruned the database and it worked flawlessly.

Probably had something to do with updating to a new ATEM switcher software version.

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