Hi.
I think there is a dubious/corrupted name in this dat.
Around lines 248979 - 248981
<game name="Methodist (2019)(BegaÃ<9f>e, Sebastian)(de)(PD)(Disk 1 of 2 Side A)">
<description>Methodist (2019)(BegaÃ<9f>e, Sebastian)(de)(PD)(Disk 1 of 2 Side A)</description>
<rom name="Methodist (2019)(BegaÃ<9f>e, Sebastian)(de)(PD)(Disk 1 of 2 Side A).d64" size="174848" crc="22202685" md5="56a856b2928b99dce11b9bd5e76ecc47" sha1="b427787dca128648ed83b03dae0449113baf0a48"/>
</game>
The publisher name seems to be formed of non-valid characters (at least on my UTF-8 linux machine)