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Lavanya Ponniah 3Lavanya Ponniah 3 

When i deploy i got this error.but my overall organisation code coverageis 91% What is the problem.

Details: Average test coverage across all Apex Classes and Triggers is 63%, at least 75% test coverage is required.
asish1989asish1989
You might be checking code covergae at sandbox which is 91% but in production where you are deplying it is less. Check Productiom Org code coverge. 
Lavanya Ponniah 3Lavanya Ponniah 3
Its 87%
asish1989asish1989
Might be you have missed to add some test class in change set component. 

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