The network connection was lost for the file **.indd, or the file was modified process.

[transworld]

My team is experiencing this issue while using Indesign and it crashes. Any fix for this issue, it's been almost a week now experiencing this issue.

[Manan Joshi]

As the error says, it seems you are saving the file to a network drive or external drive. Did you check that the connectivity to the drive is not glitchy causing this issue? The best option recommended by Adobe is to use the file by copying it to the local machine. See the following article

https://helpx.adobe.com/indesign/kb/crash-lost-network-connection.html

-Manan