Notice: Trying to get property of non-object in taxonomy_term_title() (line 1478 of .....\modules\taxonomy\taxonomy.m

Steps to reproduce bug:
1. Open administrative page admin/structure/mew
2. Click edit link for taxonomy/term/% url path
3. Click save button
4. Open any taxonomy term page (e.g. taxonomy/term/1).

Multiple error messages will be shown.
Notice: Trying to get property of non-object in taxonomy_term_title() (line 1478 of ...\modules\taxonomy\taxonomy.module)
Notice: Trying to get property of non-object in taxonomy_term_page() (line 19 of ...\modules\taxonomy\taxonomy.pages.inc).
Notice: Trying to get property of non-object in taxonomy_term_page() (line 31 of ...\modules\taxonomy\taxonomy.pages.inc).
Notice: Trying to get property of non-object in taxonomy_term_page() (line 31 of ...\modules\taxonomy\taxonomy.pages.inc).
Notice: Trying to get property of non-object in taxonomy_term_view() (line 685 of ...\modules\taxonomy\taxonomy.module).