[Koha] Software error: Invalid data

Hello Koha Community, We are getting this error message when we try to get the information of our books, we started to get this error after the last update. Do you know how can we solve this problem? Software error: Invalid data, cannot decode object (id=16023, format=marcxml, schema=MARC21, MARCXML error=':9: parser error : PCDATA invalid Char value 31 <controlfield tag="008"> 0051206s xxu 001|0|eng d</controlfie ^') Thanks in advance