Following for any more advice, as I am having the same issue.
I raised a support case and got the following back from ERSI. It's a known bug and there is a tentative work around, which unfortunately it didn't work for me but it may work for you:
I'm interested to see if anyone else has any other suggestions.
S.
Thank you! So strange, I tried it and it worked for one map and then not for another. Seems to be hit or miss for me.