Fieldtype changed for filters in prepared report

frappe/core/doctype/prepared_report/prepared_report.json

@@ -215,7 +215,7 @@
    "collapsible": 0, 
    "columns": 0, 
    "fieldname": "filters", 
-   "fieldtype": "Data", 
+   "fieldtype": "Small Text", 
    "hidden": 1, 
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
@@ -282,8 +282,8 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-07-24 10:26:19.439344", 
- "modified_by": "prateeksha@erpnext.com", 
+ "modified": "2018-08-20 16:56:47.389629", 
+ "modified_by": "Administrator", 
  "module": "Core", 
  "name": "Prepared Report", 
  "name_case": "",