Adding ascii characters to error messages guidelines

Everyone can contribute. Help move this issue forward while earning points, leveling up and collecting rewards.

We had a community contributor use ascii characters is an error messages which cause a conversation around the guidelines for such use. This issue is created so we figure out if there is any danger using those characters and if we should update the docs with the guidelines around such usage. See comments in the MR: !139977 (comment 1700999596)

Edited by 🤖 GitLab Bot 🤖