[Freeswitch-users] What are these log entries?

[Allan Kristensen]

Hello,

Out of nowhere we have started to get a lot of these:

[WARNING] switch_core_file.c:408 File has 1 channels, muxing to 2 channels
will occur.
[WARNING] switch_core_file.c:408 File has 1 channels, muxing to 2 channels
will occur.  [WARNING] switch_core_file.c:408 File has 1 channels, muxing
to 2 channels will occur.

I've tried to look in the code for an explanation, without succes.

Does anyone know why this is appearing ?

Thank you,
  Allan

*Running: FreeSWITCH Version 1.8.7+git~20190801T142138Z~b4a4ac33f8*
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