[Messenger] Fix Oracle errors 'ORA-00955: Name is already used by an …

by @atgitwk
Well done, there is nothing to change!

0
Coding Standard

0
Common Typos

0
License Headers

0
Pull Request Contributor Headers

0
File Permissions

0
Merge Commits

0
Exception Messages Formatting

0
Usage of void in test files

0
Use ::class whenever possible

0
Deprecation Messages