Merge pull request KelvinTegelaar#1664 from kris6673/fix-ListStandardsCompare

Fix: Enhance error handling in licensing checks

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/Tenant/Standards/Invoke-ListStandardsCompare.ps1

@@ -65,7 +65,7 @@ function Invoke-ListStandardsCompare {
 
         if ($FieldValue -is [System.Boolean]) {
             $FieldValue = [bool]$FieldValue
-        } elseif ($FieldValue -like '*{*') {
+        } elseif (Test-Json -Json $FieldValue -ErrorAction SilentlyContinue) {
             $FieldValue = ConvertFrom-Json -InputObject $FieldValue -ErrorAction SilentlyContinue
         } else {
             $FieldValue = [string]$FieldValue

Modules/CIPPCore/Public/Functions/Test-CIPPStandardLicense.ps1

@@ -55,8 +55,10 @@ function Test-CIPPStandardLicense {
         return $true
     } catch {
         if (!$SkipLog.IsPresent) {
-            Write-LogMessage -API 'Standards' -tenant $TenantFilter -message "Error checking license capabilities for standard $StandardName`: $($_.Exception.Message)" -sev Error
-            Set-CIPPStandardsCompareField -FieldName "standards.$StandardName" -FieldValue "License Missing: Error checking license capabilities - $($_.Exception.Message)" -Tenant $TenantFilter
+            # Sanitize exception message to prevent JSON parsing issues - remove characters that could interfere with JSON detection
+            $SanitizedMessage = $_.Exception.Message -replace '[{}\[\]]', ''
+            Write-LogMessage -API 'Standards' -tenant $TenantFilter -message "Error checking license capabilities for standard $StandardName`: $SanitizedMessage" -sev Error
+            Set-CIPPStandardsCompareField -FieldName "standards.$StandardName" -FieldValue "License Missing: Error checking license capabilities - $SanitizedMessage" -Tenant $TenantFilter
         }
         return $false
     }