Fix error message (#4559)

packages/server/modules/core/repositories/streams.ts

@@ -1167,10 +1167,9 @@ export const revokeStreamPermissionsFactory =
       .count<{ count: string }[]>()
 
     if (parseInt(streamAclEntriesCount.count) === 1)
-      throw new StreamAccessUpdateError(
-        'Stream has only one ownership link left - cannot revoke permissions.',
-        { info: { streamId, userId } }
-      )
+      throw new StreamAccessUpdateError('A project needs at least one project owner', {
+        info: { streamId, userId }
+      })
 
     const aclEntry = existingPermission
     if (aclEntry?.role === Roles.Stream.Owner) {

packages/server/modules/core/tests/streams.spec.ts

@@ -348,7 +348,7 @@ describe('Streams @core-streams', () => {
           throw new Error('This should have thrown')
         })
         .catch((err) => {
-          expect(err.message).to.include('cannot revoke permissions.')
+          expect(err.message).to.include('A project needs at least one project owner')
         })
     })