- Go to system>DM>Setup the Google Drive
- Go to DM> Add a Google doc
- Edit the Google doc entry title to "Untitled Edit" (The file name keep to "Untitled.docx')
- Go to add a new Google doc entry with the title (don't change the title "Untitled")
- Save and return to Liferay
The google doc can be saved, and the title "Untitled" has existed in the portal as another entry's filename, so the new google doc entry in the portal should be renamed to "Untitled (1)" and the filename rename to "Untitled (1).docx"
The portal is crashed after clicking the "save and return to liferay"