https://help.myob.com/wiki/x/0Yii
To fix this error, you'll need to delete all files beginning with "gl_clist", then re-name the "glrreports.app" file.
Let's take you through the details
Renaming this file will cause Cashbook to default back to an older style layout which, while having a different aesthetic, still contains exactly the same information.
Don't perform this task if using Cashbook v8
Instead, complete the tasks in Error: "Buffer overrun".
You'll now be able to view reports.
Cashbook user guide