If it the new recorded disk, you have burned with Pioneer 108 that lock, when played back, it's a burn issue and not a read issue.
I have troubles with my Datawrite FUJIFILM03.
Will only burn in NEC 3500 with good result. Benq 1620 B7T9 and 1653S CS09 give me write error, or the disc is close to unreadable.
Could be the point where Pioneer 108 shift to higher speed.