The bug
In the situation of many sounds produced at the same time, there is a high chance of warnings form the sound system to spam the game error log. It can also cause client to freeze when the error is spammed.
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
[02:06:26] [main/WARN]: Failed to create new sound handle
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
[02:06:26] [main/WARN]: Failed to create new sound handle
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
[02:06:26] [main/WARN]: Failed to create new sound handle
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
[02:06:26] [main/WARN]: Failed to create new sound handle
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
[02:06:26] [main/WARN]: Failed to create new sound handle
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
[02:06:26] [main/WARN]: Failed to create new sound handle
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
[02:06:26] [main/WARN]: Failed to create new sound handle
[02:06:26] [Sound engine/WARN]: Maximum sound pool size 247 reached
...
Can confirm.