confluence is not allowing me to edit the sequence diagrams

[Sanita Kumar]

2 issues:

 issues 1: I created sequence diagram and today I want to edit it and it is not allowing me to edit the sequence code. I was able to edit it till last Friday. (Today is Monday) and I cant edit the diagram now. 

Issue 2: if a created a new sequence diagrams then after save it does not render the sequence diagram. it allows me to edit the code and add more but once code is save it does not render to diagrams. My other colleges diagrams has stopped being rendered also