concat error Error: Audio codec libmp3lame is not available

[wbteve]

ffmpeg-concat -t circleopen -d 750 -o m.mp4 jia1.mp4 jia2.mp4
{
cmd: 'ffmpeg -i jia1.mp4 -y -loglevel info -pix_fmt rgba -start_number 0 /tmp/b6bbead5b5c84b569ab9edb1c7813c80/scene-0-%012d.raw'
}
{
cmd: 'ffmpeg -i jia2.mp4 -y -loglevel info -pix_fmt rgba -start_number 0 /tmp/b6bbead5b5c84b569ab9edb1c7813c80/scene-1-%012d.raw'
}
ffmpeg-concat: 1.174s
concat error Error: Audio codec libmp3lame is not available
at /www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:638:21
at nextTask (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5756:27)
at next (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5764:13)
at /www/movie/ffmpeg-concat/node_modules/async/dist/async.js:324:20
at FfmpegCommand.proto.availableEncoders.proto.getAvailableEncoders (/www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:457:14)
at /www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:618:14
at nextTask (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5756:27)
at next (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5764:13)
at /www/movie/ffmpeg-concat/node_modules/async/dist/async.js:324:20
at /www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:613:9
(node:21357) UnhandledPromiseRejectionWarning: Error: Audio codec libmp3lame is not available
at /www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:638:21
at nextTask (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5756:27)
at next (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5764:13)
at /www/movie/ffmpeg-concat/node_modules/async/dist/async.js:324:20
at FfmpegCommand.proto.availableEncoders.proto.getAvailableEncoders (/www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:457:14)
at /www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:618:14
at nextTask (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5756:27)
at next (/www/movie/ffmpeg-concat/node_modules/async/dist/async.js:5764:13)
at /www/movie/ffmpeg-concat/node_modules/async/dist/async.js:324:20
at /www/movie/ffmpeg-concat/node_modules/fluent-ffmpeg/lib/capabilities.js:613:9
(Use node --trace-warnings ... to show where the warning was created)
(node:21357) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 3)
(node:21357) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

[wbteve]

ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-44)
configuration: --enable-shared --prefix=/usr/local/ffmpeg
libavutil 56. 22.100 / 56. 22.100
libavcodec 58. 35.100 / 58. 35.100
libavformat 58. 20.100 / 58. 20.100
libavdevice 58. 5.100 / 58. 5.100
libavfilter 7. 40.101 / 7. 40.101
libswscale 5. 3.100 / 5. 3.100
libswresample 3. 3.100 / 3. 3.100