Unable to get property '0' of undefined or null reference Lookup field

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Posted on by hussainahmad

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Recently ProductID lookup field in Opporunity Product dynamic crm form started throwing this error "Unable to get property '0' of undefined or null reference" when we tried to change this lookup field. There is no javascript called on Onchange event I have attached a screenshot of the error. I have disabled all the events already but still when i add a new product to opportunitiy by hitting the search button right to the productid field in opporuntiy product form i get this error message in a JS dialog There was an Error in this field customized event . Field : productid Event : setadditionalparams Error: Unable to get property '0' of undefined or null reference

i haven't attached any function or javascript to onchange event of the lookup field.The error shows whenever we click on productid lookup field but after i close the error dialog by hitting the ok button i can pick a product out of the list. They seems no problem here, but the error message is annoying.
1616.error.jpg

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Community Member on at

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If you've removed all functions for onchange and published the changes as well, then it may be simply that you need to clear your cache. You may have removed the functions, but the scripts are still sitting in your local browser cache. Go to the form, and try CTRL+F5.

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hussainahmad 125 on at

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I have already tried it many times...

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NatrajY 3,040 on at

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Eventhough this is CRM2016, I believe the root cause is the same -> http://a-crm.blogspot.com.au/2016/03/crm-2016-update-lookup-field-bug.html

Since you don't have any JS in the background causing this issue, please report this on connect and wait for the updates. You can also try the JS approach described in the blogpost and see if this makes any difference.

Also worth installing the most recent update, if you are not already on it, and see if that fixes the issue.

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Hi,

Have you installed update 0.2 rollup ? If no, try to install latest update and see.

Mansoor

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I think there will be some parameters passed on Form. Check out once please. Go to form customization >> form properties >> and open Parameters tab and remove parameters from there.

Regards,

Rahul Chavan

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hussainahmad 125 on at

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@Natraj i am using CRM2015 7.0.1.129 . I guess thats why there is no "Use legacy form rendering" option in Settings-Administration-System settings

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NatrajY 3,040 on at

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Yes. That option won't be there. If installing Update 1.1 or Update 0.2 is not an option, you could try the setting the "type" prop on the lookup using JS as described in the post, and see if that works.

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necsa 3,455 on at

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Hi hussainahmad,

please add your onchange event following code and try it,

var proid = Xrm.Page.data.entity.attributes.get("productid").getValue(); if (proid != null && proid .length > 0) { var priority = proid [0].name;}

or try this solution;

Go to Opportunity Product

Remove the ProductID field (which is causing issue)

Publish all customization and be sure it is not in the Form

Add again on the Form ProductID field then publish all customization

Chack if you still see the issue

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