Crx230ed in trouble again

Somebody help plz :frowning:
Sony crx230ed cd-rw with a 4so3 lite-on firmware is causing me trouble again!
At Nero ( data verfication I get a “244351 sector” error which seems to happen on every disk (creation, verbatim, sony) I tried! Nero cd check reports these sectors as “not readable” from 244351 till the end of the written data (Starts about 50-55th minute or @ 500-600 MB) :bow: Plz find something helpful!
Thank you very much