[Bug] [compiler] confusing error message when hexadecimal word is expected

# 🐛 Bug

## To reproduce

**Code snippet to reproduce**

**Stack trace/error message**

## Expected Behavior

Error message should tell me that hexadecimal is expected

## System information

**Please complete the following information:**
Mac OS 12.2.1

Start by recovering the reproduction code and compiler error from the issue's linked screenshots, then locate the compiler path that parses the hexadecimal word. Check existing compiler tests for this diagnostic and confirm that the completed change explicitly says hexadecimal is expected without altering unrelated errors.

Written by the indexing model from the issue text.