Try starting the troubleshooting by examining the correct values of the parameters were used.
az acr credential show --name acr12345678910
Check, if the correct image name and tags are used:
az acr repository show-tags --name <acr name> --repository <repository name>
Double check, if the correct image exists under the acr
az acr repository list --name <acr name> --output table
Check, if you have the permission to access the image
az acr repository show --name <acr name> --repository <repository name> --output table
--please don't forget to upvote
and Accept as answer
if the reply is helpful--