I cannot open my file

This morning i could open my file. Then i closed it, and since this afternoon i cannot open it anymore.
I received this popup window :

Something went wrong
Failed to parse document
Unable to open the file: Task with id=17 not found
Task with id=17 not found
View log

PLease help me

For the record, Benjamin was able to recover his file using Help > Recover

1 Like

Dear Dmitry,
I have the same problem after having change the logo the document cannot be opened. I have the log, please can you help me?

After several time I was able to recover it by using Help/recover
thank you
f.