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Chrissy Thompson 12Chrissy Thompson 12 

Button is creating an error

Any ideas why this is not working?

Error Message: The value of the "accid" parameter contains a character that is not allowed or the value exceeds the maximum allowed length. Remove the character from the parameter value or reduce the value length and resubmit. 

Button: /006/e?retURL=%2F{!NULLVALUE(Contact.Id, Account.Id)}&accid={!Account.Id}&conid={!Contact.Id} &opp6={!Contact.LeadSource}&lookupcmpgn=1&opp3={!Account.Name}
NagendraNagendra (Salesforce Developers) 
Hi Chrissy,

Sorry for this issue you are facing.

May I suggest you please give a try by using below URL which should work fine.
/006/e?retURL=%2F{(Contact.Id, Account.Id)}&accid={!Account.Id}&conid={!Contact.Id} &opp6={!Contact.LeadSource}&lookupcmpgn=1&opp3={!Account.Name}

Hope this helps.

Kindly mark this as solved if the reply was helpful.

Thanks,
Nagendra