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Arif Iqbal 5Arif Iqbal 5 

Validation Failed during Change Set

Hi Team,

x2 issues: 

1. Seems I cannot deploy change sets from Sandbox to Prod as the Sandboxes are on version 41.0 for the Platform and Prod is on v40.0. How do I resolve this?

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2. I am trying to deploy a change set from one Sandboax to another and having an issue with Leads Layout.
Note I have no override button OR changed the layout can someone please advise

Error 
In field: excludeButtons, invalid action:NewProposeMeeting

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RbnRbn
Hi Arif,

For your 1st problem :

Components in the Change Set are of the API Version - 41.0 Since your Sandbox is already on the Spring'17 while the Production is still in the Summer'17 where the upper limit in the API Version is still 40.0

Once when you are in a new release, each and everything that you create, will take the latest API Version by default and that is why you landed upon the 41.0.

So to resolve this, you have to go back to the Sandbox.
Edit each Component, make sure you set the API Version to 40.0 and then re-deploy the same to Production.

Basically u need to change Apex classes and Visualforce Pages:

Click Edit
Select the Version Settings tab.
Corresponding to Salesforce.com API row, specify the version as 40.0
So same is the case for Visualforce Pages too.

For the second problem :

Quite difficult to guess the problem of your error unless and untill we see all the components which are part of leads layout.

Regards,
Rabi