[esp-r] Problems with plants and system

[Ragnhild Haukland Løge]

Hello,

I am trying to model a solar collector model in ESP-r, but i am getting an
error message when i try to add components.

Under 'plants and systems' -> 'explicit' -> 'components' -> 'add' -> 'solar
and others', the list of possible choices does not appear but an error
message: "Number of menu items too small".

Does anyone know what this means or how to fix it?

Kind regards,
Ragnhild Løge
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