Error about ~/.profile not existing despite it being there

[asampal]

On installing wasmer latest, an error about not finding ~/.profile is emitted even though the file exists. $PROFILE is not defined.

xxx@xxxxxxx:~$ asdf install wasmer latest
Welcome to the Wasmer bash installer!
downloading: wasmer-linux-amd64
Installing provided version: 2.3.0
Downloading archive from https://github.com/wasmerio/wasmer/releases/download/2.3.0/wasmer-linux-amd64.tar.gz
installing: /home/xxx/.asdf/installs/wasmer/2.3.0
/home/xxx/.asdf/plugins/wasmer/lib/utils.bash: line 126: PROFILE: unbound variable
error: Profile not found. Tried:
*  (as defined in $PROFILE)
* ~/.bashrc
* ~/.bash_profile
* ~/.zshrc
* ~/.profile.
Append the following lines to the correct file yourself:
# Wasmer config
export WASMER_DIR="/home/xxx/.asdf/installs/wasmer/2.3.0"
export WASMER_CACHE_DIR="$WASMER_DIR/cache"
export PATH="$WASMER_DIR/bin:$PATH:$WASMER_DIR/globals/wapm_packages/.bin"