# `distribution<-` errors informatively

    right hand side must be a <greta_array>

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    right hand side must have a distribution

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    right hand side must have a distribution

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    left and right hand sides have different dimensions.
    The distribution must have dimension of either "3x3x2" or "1x1",but instead has dimension "3x3x1"

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    left hand side already has a distribution assigned

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    right hand side has already been assigned fixed values

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    distributions can only be assigned to data <greta array>s

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    distributions can only be assigned to data <greta array>s

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    distributions can only be assigned to data <greta array>s

# distribution() errors informatively

    `distribution()` expects object of type <greta_array>
    object was not a <greta_array>, but <array>