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Object reference not set to an instance of an object.

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Posted on by tin007

Help!!
Everything was working before. Until I tried the Multistep form again.
I tried creating a new portal but when I create a new multistepform same error appears.

[NullReferenceException: Object reference not set to an instance of an object.]
 Adxstudio.Xrm.Web.UI.WebControls.<>c__DisplayClass206_0.<SetAttributeValuesOnSave>b__0(Entity en) in C:\__w\1\s\Framework\Adxstudio.Xrm\Web\UI\WebControls\WebForm.cs:5161
 System.Linq.WhereListIterator`1.MoveNext() +80
 System.Linq.Enumerable.Any(IEnumerable`1 source) +96
 Adxstudio.Xrm.Web.UI.WebControls.WebForm.SetAttributeValuesOnSave(OrganizationServiceContext context, Entity step, Object e, List`1 webformRelatedEntities) in C:\__w\1\s\Framework\Adxstudio.Xrm\Web\UI\WebControls\WebForm.cs:5164
 Adxstudio.Xrm.Web.UI.WebControls.WebForm.OnItemInserting(Object sender, CrmEntityFormViewInsertingEventArgs e) in C:\__w\1\s\Framework\Adxstudio.Xrm\Web\UI\WebControls\WebForm.cs:2842
 Microsoft.Xrm.Portal.Web.UI.WebControls.CrmEntityFormView.OnItemInserting(CrmEntityFormViewInsertingEventArgs args) in C:\__w\1\s\Framework\Microsoft.Xrm.Portal\Web\UI\WebControls\CrmEntityFormView.cs:269
 Adxstudio.Xrm.Web.UI.WebControls.CrmEntityFormView.HandleInsert(CommandEventArgs args) in C:\__w\1\s\Framework\Adxstudio.Xrm\Web\UI\WebControls\CrmEntityFormView.cs:1942
 Adxstudio.Xrm.Web.UI.WebControls.WebForm.OnItemCommand(CommandEventArgs args) in C:\__w\1\s\Framework\Adxstudio.Xrm\Web\UI\WebControls\WebForm.cs:670
 Adxstudio.Xrm.Web.UI.WebControls.WebForm.OnBubbleEvent(Object source, EventArgs args) in C:\__w\1\s\Framework\Adxstudio.Xrm\Web\UI\WebControls\WebForm.cs:683
 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +49
 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5444

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Fubar 8,459 Super User 2025 Season 2 on at

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Most likely you have a Lookup field that is being populated with a value that is not valid (most likely via JavaScript/JQuery, or form Metadata)
If it is a bug, double check that you have the latest Power Pages Core installed (from the Admin portal, in the environment in question , Resources->Power Pages and then check for updates)

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inanoffice23 299 Moderator on at

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I am having this error too, did you manage to fix it @tin007

I have upgraded the other packages and still the same error

I am indeed having a look up column to the main table (associated table reference was used too), which had an auto number and it works fine in another website

We created a new site to have the 'enhanced' data model, but lots of bugs are appearing and the website takes a long time to load

It created its own Portal Management

I added the website to the Portal Management where the other 3 sites were placed, but it looks like there are 2 Portal Managements for the site

The 'separate' portal management also has triplicated Web files and many other settings, is there an easy way to merge both Portal Managements or do I have to raise a ticket with Microsoft?

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Varun Singh 8 on at

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Hi @tin007 , @inanoffice23, @Fubar,

Are you able to get the solution for this? I am also getting same kind of error on Multistep form On Save. Not able to get what is the issue. Looks like I am trying to set contact guid in meta data as login person , but some issue there. I have given admin role to contact but still same error.

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aofosu 105 on at

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I experienced this when I was trying to Associate Current Portal User on Insert on a step form that was in insert mode as first step:

Solution: I used a metadata to set the value on save.

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CU29072318-0 2 on at

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Hi @aofosu,

I was saving Contact lookup as login contact id in metadata, which I have now removed to see is it a meta data issue. But still same issue. FYI to check security issue I have allocated this user admin role, but still same issue.

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