Dear G
I watched your the seven-minute video,And follow the video and do it in Matlab,but result as follow,please gave me some advice to solve these problems.

If using this toolbox for research or industrial purposes, please cite:
Advances in Engineering Software. Vol 105. March 2017. Pages 9-16. (2017)
Dear Qishuai Zhang,
Initially, please verify that the Abaqus analysis in the Cleave fracture and Cohesive Zone Modeling examples is successfully completed. You can check this by editing the *.log file of the Abaqus analysis and see the messages inside it. After this, please check the following link for some suggestions of what may be going wrong:
https://abaqus2matlab.wixsite.com/abaqus2matlab/forum/main/comment/5989b40933082d0010026040
Please let me know if the problem is solved.
Best regards,
George