From 595b52d7b279d0f754dae69ea19024865d0deb7d Mon Sep 17 00:00:00 2001
From: Vladyslav_Prykhodko <vprykhodko@thingsboard.io>
Date: Fri, 26 Dec 2025 19:01:46 +0200
Subject: [PATCH] UI: Fixed cf argument validation

---
 .../calculated-field-arguments-table.component.ts               | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui-ngx/src/app/modules/home/components/calculated-fields/components/calculated-field-arguments/calculated-field-arguments-table.component.ts b/ui-ngx/src/app/modules/home/components/calculated-fields/components/calculated-field-arguments/calculated-field-arguments-table.component.ts
index 983609dfa7..a05326699d 100644
--- a/ui-ngx/src/app/modules/home/components/calculated-fields/components/calculated-field-arguments/calculated-field-arguments-table.component.ts
+++ b/ui-ngx/src/app/modules/home/components/calculated-fields/components/calculated-field-arguments/calculated-field-arguments-table.component.ts
@@ -154,7 +154,7 @@ export class CalculatedFieldArgumentsTableComponent implements ControlValueAcces
 
   validate(): ValidationErrors | null {
     this.updateErrorText();
-    return this.errorText ? { argumentsFormArray: false } : null;
+    return this.errorText || !this.argumentsFormArray.controls.length ? { argumentsFormArray: false } : null;
   }
 
   setDisabledState(isDisabled: boolean): void {