Protect sheet and save project leads to crash

Version: 2019

Type: Bug Fixes

Category: Data Handling

Subcategory: Origin Project Files

Jira: ORG-19149

1. New a book, fill cols with data and plot

2. In same book, add a sheet and insert the graph in any cell

3. Protect that sheet with script: layer -lw hex(182);

4. Delete that sheet and save project.

==>error "Junk dataset with NULL elements found !!! " dump into message.

==>origin crashes after new project.