Object "NOTES" keep erasing the text every time I close the file

Dear Karen and Adjair,

Than you for your posts. We apologize for the delay in providing an answer/solution.

This issue you report is solved in the latest version of Bizagi Modeler (3.8.0.198), which you may download using the link below should you want to.

https://bizagi.sharefile.com/share/view/s20bce3d268fc47c8b6db7c53b5923d7c

All the best,

Laura G