---
title: Error refreshing search index: Input string was not in a correct format.
slug: error-refreshing-search-index-input-string-was-not-in-a-correct-format
createdAt: 2025-07-28T03:19:40.287Z
---


Issue
=====

Error in event log:

Error refreshing search index: Input string was not in a correct format.

System.FormatException: Input string was not in a correct format.

at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)

at System.Number.ParseInt64(String value, NumberStyles options, NumberFormatInfo numfmt)

at Innovation.Activate.WorkFlow\.Service.ActivateService.SearchRefresh(Object stateInfo)



# Solution

Check LastIndexRefresh parameter on Resources > Configuration > Search, there may be duplicate parameters causing this issue, deleting the youngest one should fix the issue immediately.