Mapping PCM Broke

Hello everyone,
and thank you for your help.
When exporting my film in H.265 (MKV) with linear PCM for 5.1 audio, the encoded file breaks the channel mapping.
How can I fix this issue?
Thanks again,
and thank you for your help.
When exporting my film in H.265 (MKV) with linear PCM for 5.1 audio, the encoded file breaks the channel mapping.
How can I fix this issue?
Thanks again,