Steps to reproduce:
Open General Configuration.
Open Macro Usage.
Scroll down to section All macros.
Click on any macro link, e.g. <BASE_URL>/dosearchsite.action?cql=macro+%3D+%22loremipsum%22
Search results are show displaying the pages where according macro is used.
Search result page is shown however with error message Oops, something went wrong with your search.
Type macroName:<name> in the search box in the right hand upper corner, e.g. macroName:loremipsum
<name> should be the same as displayed on the Macro Usage page.