Reports with planning merge cell not working

Summary:

Content (please ensure you mask any confidential information):

Hi All

We have an issue we 2 similar report with Merge Cells that should display this :

desv. REALMemberAlias("Grid1", "Year", O)

vs PPTOMemberAlias("Grid1", "Year", Q)

One displays it this way

and the other this way:

I checked all the formatting / layout / width and font and they are equal

Can someone let me know what could be the cause?

We want to see the first example display

Thank you

Version (include the version you are using, if applicable):

25/02

Code Snippet (add any code snippets that support your topic, if applicable):