Here is your repaired project file anyway.
Moms 90th Jun 27 - Repaired.mlt (162.1 KB)
Here is what I did to fix it - you might be able to do it yourself the next time it happens.
- Open the .mlt file in a text editor - anything besides notepad because it does not read the line endings correctly.
- Search for every instance of INVALID.
- Several lines below the line
<property name="text">INVALID</property>
look for
<property name="mlt_service">qtext</property>
- Change
qtext
toqimage
<property name="mlt_service">qimage</property>
- Repeat for every INVALID
- Save
Meanwhile, I will think more about what can be causing this or how to avoid it. I think the amount of memory you have is fine unless… yeah, you do not have enough free mem.