mr_bungalow ,
Sorry that you are seeing this issue with MyEclipse.We do not provide intrinsic support to third party plugins. However we will try to assist you for this issue.
1) Share your MyEclipse Build ID from Help > About MyEclipse Enterprise Workbench > Build Id.
2) Clear the contents of the .log file which is located at <workspace dir>/.metadata/.log. Now replicate the issue and then paste entire contents of the .log file here.
3) Can you build a simple project with minimum files which displays this issue and send it to us for further investigation? You can send an email to support@genuitec.com with Sub : ATTN: SWAPNA, and reference to this thread. You can also upload the project as an attachment to this thread. Here is an FAQ on how to do it : https://www.genuitec.com/forums/topic/troubleshooting-how-to-upload-attachments-on-forum/
4) Can you Also give steps in detail for us to replicate it at our end.