The above error code 30015-1025 (1392) primarily appears when you try to open office program on a Windows 10 computers which are previously running on Windows 8.1. It has been observed that this error needs to repair or a reinstall and you can read the below information for more knowledge.
Disclaimers: Before you attempt to fix the Microsoft office issue, we highly recommend taking a registry back up and set a system restore point. Because this process involves repair on registry and changes.In case if something goes wrong during this process, we can revert back the settings and we can does a system restore? Also, save your documents, emails, spreadsheets, and office related files and back It up.