Currently, If you place a Children Display macro in a MultiExcerpt it will not display in the MultieExcerpt Include.
We have issue - MEPOD-91Getting issue details... STATUS to work on this issue.
If you use the MultiExcerpt Fast Excerpt and MultiExcerpt Fast Include pair you can still nest the Macro. You can use either the block or inline macros to accomplish this.
If you have recently migrated from Server or Data Center to Cloud...