From d5431665e9d1bfc5603ce0ecaa10d395dafdc14a Mon Sep 17 00:00:00 2001
From: mike12345567 <me@michaeldrury.co.uk>
Date: Fri, 28 May 2021 19:52:30 +0100
Subject: [PATCH] Fixing issue with min/max in numbers.

---
 packages/standard-components/src/forms/validation.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/standard-components/src/forms/validation.js b/packages/standard-components/src/forms/validation.js
index 5b49fa0848..8433705e0a 100644
--- a/packages/standard-components/src/forms/validation.js
+++ b/packages/standard-components/src/forms/validation.js
@@ -77,6 +77,9 @@ const lengthConstraint = maxLength => value => {
 }
 
 const numericalConstraint = (constraint, error) => value => {
+  if (value == null || value === "") {  
+    return null
+  }
   if (isNaN(value)) {
     return "Must be a number"
   }