Internal error (invalid XML)

:17: parser error : Opening and ending tag mismatch: p line 17 and hidden
ей книге трилогии «Дети Арбата» – авто
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:17: parser error : Opening and ending tag mismatch: p line 17 and text_annotation
рилогии «Дети Арбата» – авто
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:17: parser error : Opening and ending tag mismatch: annotation line 17 and genre_book
et-date date_add="2017-12-14"/>
                                                                                ^
:23: parser error : Opening and ending tag mismatch: title-info line 15 and biblio_subgenre_by_pop
op/" post="subgenre=312" page="1" pages="0" needq="0"/>
                                                                                ^
:23: parser error : Opening and ending tag mismatch: hidden line 15 and page-data
ubgenre=312" page="1" pages="0" needq="0"/>
                                                                                ^
:23: parser error : Opening and ending tag mismatch: text_annotation line 15 and xportal-page
ищения и силы духа" value="186911"/>
                                                                                ^
:23: parser error : Opening and ending tag mismatch: genre_book line 15 and xportal
value="186911"/>
                                                                                ^
:23: parser error : Premature end of data in tag biblio_subgenre_by_pop line 12
value="186911"/>
                                                                                ^
:23: parser error : Premature end of data in tag page-data line 12
value="186911"/>
                                                                                ^
:23: parser error : Premature end of data in tag xportal-page line 1
value="186911"/>
                                                                                ^
:23: parser error : Premature end of data in tag xportal line 1
value="186911"/>
                                                                                ^