Internal error (invalid XML)

:15: parser error : Opening and ending tag mismatch: p line 15 and hidden
дова «счастливые часов не наблюдают»–
                                                                                ^
:15: parser error : Opening and ending tag mismatch: p line 15 and text_annotation
тливые часов не наблюдают»–
                                                                                ^
:15: parser error : Opening and ending tag mismatch: annotation line 15 and genre_book
et-date date_add="2017-12-12"/>
                                                                                ^
:18: parser error : Opening and ending tag mismatch: title-info line 12 and biblio_subgenre_by_pop
op/" post="subgenre=193" page="1" pages="0" needq="0"/>
                                                                                ^
:18: parser error : Opening and ending tag mismatch: hidden line 12 and page-data
ubgenre=193" page="1" pages="0" needq="0"/>
                                                                                ^
:18: parser error : Opening and ending tag mismatch: text_annotation line 12 and xportal-page
="2007"/>
                                                                                ^
:18: parser error : Opening and ending tag mismatch: genre_book line 12 and xportal
value="175813"/>
                                                                                ^
:18: parser error : Premature end of data in tag biblio_subgenre_by_pop line 12
value="175813"/>
                                                                                ^
:18: parser error : Premature end of data in tag page-data line 12
value="175813"/>
                                                                                ^
:18: parser error : Premature end of data in tag xportal-page line 1
value="175813"/>
                                                                                ^
:18: parser error : Premature end of data in tag xportal line 1
value="175813"/>
                                                                                ^