[0.12.23] Error for loading

[bastilool]

I have loaded a savegame from old version 0.12.22, then I play and save. No problem.
I want to play, I load a savegame, I get a error...

[daniel34]

You need to update your FactorioMaps version to 0.5.9: Re: [MOD 0.12.x] Factorio Maps

[bastilool]

Thank you! Problem solved...