Button Labels Disappear When other buttons pressed

Hi

I have been using a custom Lemur project to control various virtual instruments and plugins in Logic and now Nuendo and Cubase.

It has different layers/pages for different instruments and simply uses a combination of buttons and sliders to send MIDI data to the DAW software.

Recently, the page I use most often has started behaving eratically, and I'm wondering if an update has broken some functionality in Lemur. Basically, the page has lots of buttons, each one labelled to identify function. Each button simply sends a MIDI CC event. It is used to switch articulations in all Spitfire orchestral libraries for Kontakt. The problem is that if I press one button, the labels on many of the other buttons suddenly dusappear. The only way to get the labels to reappear is to relaunch Lemur.

This Lemur project has been so useful for me, I'm desperate to get it working again. Any help or advice you might have would be very much appreciated.

I am using an iPad generation 2 with 32GB of memory and iOS 8.0.2. The issues also existed when I was running iOS 7.

Many thanks in advance for any help.

Jules