Add new elements to point containers is now more general

src/modules/mesh/moduleMesh@boundaryEM.f90

@@ -9,7 +9,7 @@ submodule(moduleMesh) boundaryEM
       integer:: b
 
       bp = 0
-      do b = 1, nBoundaries
+      do b = 1, nBoundariesEM
         if (boundaryName == boundariesEM(b)%obj%name) then
           bp = boundariesEM(b)%obj%n
 
@@ -37,6 +37,7 @@ submodule(moduleMesh) boundaryEM
       logical:: found
 
       self%n = b
+      allocate(self%nodes(0))
       call config%get(object // '.name', self%name, found)
       if (.not. found) then
         call criticalError('Required parameter "name" for EM boundary condition not found', &