All missions I got so far have the same error text in the description. This appears in Vanilla as well as in Corporate Command:

00010017/6559: Error evaluating <OnPaneInit>: Invalid action ID [0] ### (scrShowAction gScreen 0 (msnGetProperty theMission "canBeDeleted")) ###

2018-06-07 17_23_31-Transcendence.jpg
2018-06-07 17_23_31-Transcendence.jpg
nms on 6/9/2018 2:43 AM:

Fixed by George here:

How difficult is it to do an emergency release?

relanat on 6/12/2018 1:13 AM:

Patch here.
Overwrites dsRPGMissionJournal.

george moromisato on 8/13/2018 4:59 AM:

Fixed in 1.8 Beta 3.