If a paclet is installed via PacletInstall it needs a "Kernel" extension with a "Context" spec to load properly it seems (just tried to load the installed paclet). Try changing the Extensions to:
Extensions ->
{
{"Kernel", "Context"->{"CellsToTex`"}},
{"Documentation", Language -> "English"}
}
If a paclet is installed via PacletInstall it needs a
"Kernel"
extension with a"Context"
spec to load properly it seems (just tried to load the installed paclet). Try changing theExtensions
to:and then it should work fine.