I am trying to convert MP4 video to MPEG video that includes AAC audio.

ffmpeg -i Kung.Fu.Panda.mp4 -y -acodec aac -vcodec libx264 -f mpeg -movflags +faststart -max_muxing_queue_size 9999 -pix_fmt yuv420p -preset veryfast -crf 22 41ad2d08-f3d6-4ac4-a81b-854538025543.mpeg

It occurs the following error.

Unsupported audio codec. Must be one of mp1, mp2, mp3, 16-bit pcm_dvd, pcm_s16be, ac3 or dts.
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument

Is there an option to convert to MPEG that includes AAC audio?

Thank you in advance!