%error() Function
This function is used to create a custom compile error and thus to stop the compilation of the current page.
Examples:
%doif(../elmsource != '\cpn\mor\updatemmdb\InsertForm.mmel')
%error('Element "' + elmpath + '" misplaced.')
%doend()
%doif(dbname = '')
%error('"Database Name" property of element "' + elmpath + '" is not defined')
%doif(%pos('%vof(./seq)','%vof(_seqlist)') > 0)
%error('"Update Sequence Number" property of element "' + elmpath + '" is already used')
