Upgrade from 504 to 511 causes t

Upgrade from 5.0.4 to 5.1.1 causes $theme to be null
When we upgrade from 5.0.4 to 5.1.1 the site stops loading.The error message isFatal error:Uncaught Error: Call to a m
Upgrade from 504 to 511 causes theme to be null
admin5天前
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