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Update base.md

Author: arhik

base/docs/basedocs.jl

@@ -1698,6 +1698,35 @@ Stacktrace:
 """
 FieldError
 
+"""
+    PropertyError(type::DataType, field::Symbol)
+
+An operation tried to access invalid `property` of `type`.
+
+!!! compat "Julia 1.12"
+    Prior to Julia 1.12, invalid field access threw an [`ErrorException`](@ref)
+
+See [`getfield`, `FieldError``](@ref)
+
+# Examples
+```jldoctest
+julia> struct AB
+          a::Float32
+          b::Float64
+       end
+
+julia> ab = AB(1, 3)
+AB(1.0f0, 3.0)
+
+julia> ab.c # field `c` doesn't exist
+ERROR: PropertyError: instance of `AB`` has no property `c`
+Stacktrace:
+[...]
+```
+"""
+PropertyError
+
+
 """
     WrappedException(msg)