Hoping for someone who knows ovens 
Not sure if helpful - it's an AEG 6 hob model from at least 10 years ago.
They don't make it anymore and you can't get spares for it, we tried a while ago as our spit roast broke and contacted AEG directly and they said they do not have any parts whatsoever for that model in anymore and it's all discontinued.
Today whilst it was heating up our interior glass shattered into a million pieces out of the blue.
There are (or were) 3 layers/separate sheets of glass on the door and obviously one is gone now.
We are potentially moving within the next 5months and there's an integrated oven already there, things are quite tight ATM and we would really prefer not to have to fork out £££ on a new glass or a brand new oven if we can't get compatible replacement glass.
Would you say the oven is still safe to use with the 2 sheets of glass and could tie us over for the next 4-5months or would you leave well alone and try and fix it/replace?