lib/fanforce/validations/validations.rb in fanforce-validations-0.3.2 vs lib/fanforce/validations/validations.rb in fanforce-validations-0.3.3

@@ -77,10 +77,10 @@
     params = extract_validation_params(opts)
     _external_id = args.first
 
     if is_present?(_external_id) and !_external_id.is_a?(String)
       opts[:message] = "id must be a string but was a #{_external_id.class.name}"
-    elsif _external_id.include?('/')
+    elsif !_external_id.nil? and _external_id.include?('/')
       opts[:message] = 'id cannot contain forward slashes (/)'
     else
       return true
     end
 
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