Error loading ngx.dynamic_upstream: module 'ngx.dynamic_upstream' not found

[jaimedelano]

Compilation was successfull but I got error trying to load dynamic_upstream:

2023/10/17 11:46:37 [error] 351766#351766: *2 lua entry thread aborted: runtime error: preread_by_lua(nginx.conf:134):3: module 'ngx.dynamic_upstream' not found:
no field package.preload['ngx.dynamic_upstream']
no file '/opt/nginx/lib/lua/ngx/dynamic_upstream.lua'
no file '../lua-resty-core/lib/ngx/dynamic_upstream.lua'
no file '../lua-resty-lrucache/lib/ngx/dynamic_upstream.lua'
no file './ngx/dynamic_upstream.lua'
no file '/usr/local/share/luajit-2.1/ngx/dynamic_upstream.lua'
no file '/usr/local/share/lua/5.1/ngx/dynamic_upstream.lua'
no file '/usr/local/share/lua/5.1/ngx/dynamic_upstream/init.lua'
no file './ngx/dynamic_upstream.so'
no file '/usr/local/lib/lua/5.1/ngx/dynamic_upstream.so'
no file '/usr/local/lib/lua/5.1/loadall.so'
no file './ngx.so'
no file '/usr/local/lib/lua/5.1/ngx.so'
no file '/usr/local/lib/lua/5.1/loadall.so'

File dynamic_upstream.lua has not been created. I could not find it.