Hello, here OdiosO
The solution for your problem is the next path
1st, go to your game folder Ether Saga Legend 2.5
2nd, click on element
3rd, look for the folder logs open and delete all that is inside
4th, look on the folder userdata
5th, open and look for the folder GMlogs
5th, open and delete also all that is inside.
This will fix your crash problem