You probably use 1.9 version, right? I had the same problem. It’s a bug. For now, there is no fix. At least to my knowledge.
What I have done is: I created a new project and drag & dropped all the documents from the original one inside this new one.
You probably use 1.9 version, right? I had the same problem. It’s a bug. For now, there is no fix. At least to my knowledge.
What I have done is: I created a new project and drag & dropped all the documents from the original one inside this new one.