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https://issues.apache.org/jira/browse/OFBIZ-4957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13410046#comment-13410046
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Ankit Jain commented on OFBIZ-4957:
-----------------------------------

Jacques, 

In the groovy EditShoppingList.groovy the value of lowIndex is 0 thats why in 
the ftl we should use lowIndex instead of lowIndex-1.

Thats why its throwing error

Negative starting index for range, is lowIndex-1..highIndex-1
                
> Error on Shopping List Page
> ---------------------------
>
>                 Key: OFBIZ-4957
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-4957
>             Project: OFBiz
>          Issue Type: Bug
>          Components: party
>    Affects Versions: SVN trunk
>            Reporter: Ankit Jain
>            Priority: Trivial
>             Fix For: SVN trunk
>
>         Attachments: OFBIZ-4957.patch
>
>
> On the Shopping List page
> https://demo-trunk.ofbiz.apache.org:8443/partymgr/control/addItemToShoppingList/editShoppingList
> its throwing error 
> on line 199, column 38 in 
> component://party/webapp/partymgr/party/editShoppingList.ftl Negative 
> starting index for range, is lowIndex-1..highIndex-1 The problematic 
> instruction: ---------- ==> list 
> shoppingListItemDatas[lowIndex-1..highIndex-1] as shoppingListItemData [on 
> line 199, column 9 in 
> component://party/webapp/partymgr/party/editShoppingList.ftl] ---------- Java 
> backtrace for programmers: ---------- freemarker.template.TemplateException: 
> on line 199, column 38 in 
> component://party/webapp/partymgr/party/editShoppingList.ftl Negative 
> starting index for range, is lowIndex-1..highIndex-1 at 
> freemarker.core.DynamicKeyName.dealWithRangeKey(DynamicKeyName.java:157) at 

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