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Raj2019ssRaj2019ss 

While selecting Primary Campaign Source in Opportunity I'm getting error

Hi All,

I'm having Custom Standard User Profile with having read/write access for opportunity and campaign.
while selecting Primary Campaign Source in Opportunity I'm getting below error
"Insufficient access to selected object Id"
Please suggest any solutions.

thanks 
Raj2019ssRaj2019ss
FYI, There is no role and sharing settings