Requested Elixir / Erlang/OTP version (1.12.3 / 26.2.1) not found in version list (did you check Compatibility between Elixir and Erlang/OTP?).Elixir and Erlang/OTP compatibility can be found at: https://hexdocs.pm/elixir/compatibility-and-deprecations.html

use Bitwise is deprecated. import Bitwise instead

use Bitwise is deprecated. import Bitwise instead

Application.get_env/3 is discouraged in the module body, use Application.compile_env/3 instead

Application.get_env/2 is discouraged in the module body, use Application.compile_env/3 instead

System.stacktrace/0 is deprecated. Use __STACKTRACE__ instead

use Bitwise is deprecated. import Bitwise instead

use Bitwise is deprecated. import Bitwise instead

Application.get_env/3 is discouraged in the module body, use Application.compile_env/3 instead

Application.get_env/2 is discouraged in the module body, use Application.compile_env/3 instead

System.stacktrace/0 is deprecated. Use __STACKTRACE__ instead

Plug.Conn.get_peer_data/1 is undefined (module Plug.Conn is not available or is yet to be defined)

Plug.Conn.get_req_header/2 is undefined (module Plug.Conn is not available or is yet to be defined)

use Bitwise is deprecated. import Bitwise instead

use Bitwise is deprecated. import Bitwise instead

Application.get_env/3 is discouraged in the module body, use Application.compile_env/3 instead

Application.get_env/2 is discouraged in the module body, use Application.compile_env/3 instead

System.stacktrace/0 is deprecated. Use __STACKTRACE__ instead

Plug.Conn.get_peer_data/1 is undefined (module Plug.Conn is not available or is yet to be defined)

Plug.Conn.get_req_header/2 is undefined (module Plug.Conn is not available or is yet to be defined)

System.stacktrace/0 is deprecated. Use __STACKTRACE__ instead

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .xrl files, you must add "compilers: [:leex] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .xrl files, you must add "compilers: [:leex] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .xrl files, you must add "compilers: [:leex] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .xrl files, you must add "compilers: [:leex] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .xrl files, you must add "compilers: [:leex] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs