16:24:38.052: [AMF] [H264]<Id: 5> <Plugin::AMD::EncoderH264::SetProfileLevel> Failed to set to 31, error AMF_FAIL (code 1)
16:24:38.052: Stream output type 'rtmp_output' failed to start!
16:25:52.513: [AMF] [H264]<Id: 6> <Plugin::AMD::EncoderH264::SetProfileLevel> Failed to set to 31, error AMF_FAIL (code 1)
16:25:52.513: Stream output type 'rtmp_output' failed to start!
16:29:54.673: [AMF] [H264]<Id: 7> <Plugin::AMD::EncoderH264::SetProfileLevel> Failed to set to 31, error AMF_FAIL (code 1)
Check the settings for your AMF encoder. It looks like you're trying to set a particular level and it isn't working. Try setting it to default or auto or whatever the default is.