No, it is a hypothesis of mine, that a large volcano eruption may disrupt the function of solar within a large area that was affected and which depends on solar energy. A particular example may be
https://en.wikipedia.org/wiki/1815_eruption_of_Mount_Tambora
https://en.wikipedia.org/wiki/Year_Without_a_Summer
A single "year without summer" may be the fatal blow to a society basing their energy on solar energy, so I hypothesize.