diff --git a/git_review/cmd.py b/git_review/cmd.py
index 0e935690..b60ea788 100644
--- a/git_review/cmd.py
+++ b/git_review/cmd.py
@@ -1928,6 +1928,8 @@ additional information:
     else:
         (status, output) = run_command_status(cmd)
         print(output)
+        if status == 1 and 'Missing tree' in output and not options.no_thin:
+            print('Consider trying again with --no-thin')
 
     if options.finish and not options.dry and status == 0:
         finish_branch(branch)